{"title":"Pentair DE Filters — FNS Plus \u0026 Quad D.E.","description":"\u003ch2\u003ePentair D.E. Pool Filters\u003c\/h2\u003e\n\u003cp\u003eAqua Pool Supply carries Pentair diatomaceous earth (D.E.) pool filters, including the FNS Plus and Quad D.E. series. D.E. filters coat their internal grids with a fine powder that traps the smallest particles of any pool filter type, delivering the clearest water possible. Below you'll find complete D.E. filter systems along with the replacement grids and parts to keep them running.\u003c\/p\u003e\n\u003ch2\u003ePentair D.E. Filter Models\u003c\/h2\u003e\n\u003cp\u003ePentair offers two main D.E. families, each with a different approach to servicing:\u003c\/p\u003e\n\u003ch3\u003eFNS Plus (24–60 sq. ft.)\u003c\/h3\u003e\n\u003cp\u003eA vertical-grid D.E. filter with curved grids that maximize filtration area for better performance and longer runs between cleanings. The fiberglass-reinforced polypropylene tank resists chemicals and corrosion, and the Service-Ease grid pack lets you service grids one at a time. It includes a continuous internal air relief, top-to-bottom backwash, and 2\" plumbing ports for efficient flow.\u003c\/p\u003e\n\u003ch3\u003eQuad D.E.\u003c\/h3\u003e\n\u003cp\u003eThe Quad D.E. combines D.E.-level water clarity with the convenience of a cartridge filter. Four removable D.E. cartridges replace the traditional grid assembly, making cleaning faster and simpler. As an Eco Select model, it flows water efficiently, so it can run on smaller pumps or lower speeds to reduce energy use.\u003c\/p\u003e\n\u003cp\u003eWe also stock \u003ca href=\"\/collections\/pool-filter-parts\" title=\"Pentair D.E. filter grids and parts\"\u003ereplacement grids and parts\u003c\/a\u003e for legacy Pentair D.E. systems, so older filters are easy to maintain.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose a D.E. Filter?\u003c\/h2\u003e\n\u003cp\u003eD.E. filters are the right call when water clarity is the top priority:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe finest filtration available.\u003c\/strong\u003e D.E. powder captures far smaller particles than sand or most cartridge filters, for noticeably clearer water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient flow.\u003c\/strong\u003e Pentair's curved-grid and cartridge-style designs reduce restriction, which pairs well with variable-speed pumps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction.\u003c\/strong\u003e Fiberglass-reinforced tanks stand up to pool chemicals and Arizona sun.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing.\u003c\/strong\u003e Unlike cartridge filters, D.E. systems are cleaned by backwashing and then recharged with fresh D.E. powder, so factor that into your maintenance routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComparing your options? Our guide to \u003ca href=\"\/blogs\/news\/enhancing-pool-filtration-filter-types-pentair-models\" title=\"Pool filter types and Pentair model comparison\"\u003epool filter types and top Pentair models\u003c\/a\u003e breaks down how D.E., cartridge, and sand systems stack up.\u003c\/p\u003e\n\u003ch2\u003eSizing Your Filter\u003c\/h2\u003e\n\u003cp\u003eMatch the filter's square footage and flow rate to your pump and pool volume. A larger grid area handles a faster turnover, holds more debris, and stretches the time between cleanings. As a rule of thumb, FNS Plus models range from 24 sq. ft. (about 48 GPM) up to 60 sq. ft. for higher-flow systems. If you're not sure which size fits your setup, reach out and we'll help you match the right model.\u003c\/p\u003e\n\u003ch2\u003eMaintenance \u0026amp; Replacement\u003c\/h2\u003e\n\u003cp\u003eWatch the pressure gauge: when system pressure rises roughly 8 to 10 psi above its clean starting point, it's time to backwash and then recharge the filter with fresh D.E. powder through the skimmer. Once or twice a season, open the tank for a full grid cleaning. Replace grids or D.E. cartridges when the fabric tears or no longer holds powder evenly. You'll find \u003ca href=\"\/collections\/pool-filter-parts\" title=\"Pool filter replacement parts\"\u003ereplacement grids, manifolds, and air relief valves\u003c\/a\u003e to keep your system running season after season.\u003c\/p\u003e\n\u003ch2\u003eExplore More Pool Filters\u003c\/h2\u003e\n\u003cp\u003ePentair D.E. filters are one part of our full \u003ca href=\"\/collections\/pool-filters\" title=\"Shop all pool filters\"\u003epool filter selection\u003c\/a\u003e. If you're weighing other technologies, you can also browse Pentair \u003ca href=\"\/collections\/pentair-cartridge-filters\" title=\"Pentair cartridge filters\"\u003ecartridge filters\u003c\/a\u003e for low-maintenance, no-backwash operation, or Pentair \u003ca href=\"\/collections\/sand-filters\" title=\"Pentair sand filters\"\u003esand filters\u003c\/a\u003e for the simplest upkeep.\u003c\/p\u003e\n\u003cp\u003eShopping locally? Aqua Pool Supply offers same-day pickup in Phoenix, AZ and Las Vegas, NV. Order online or stop by to grab the Pentair D.E. filter that fits your pool.\u003c\/p\u003e\n\u003ch2\u003ePentair D.E. Filter FAQs\u003c\/h2\u003e\n\u003cdiv itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat makes a D.E. filter different from cartridge and sand filters?\u003c\/h3\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eA D.E. filter coats its internal grids with diatomaceous earth, a fine natural powder that traps much smaller particles than sand or cartridge media. The result is the clearest water of any pool filter type. The trade-off is that D.E. filters need backwashing and a fresh charge of D.E. powder afterward, so they require a bit more attention than a cartridge filter.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eDo Pentair D.E. filters need backwashing?\u003c\/h3\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eYes. When pressure climbs about 8 to 10 psi above the clean starting point, you backwash the filter to flush out trapped debris and used D.E., then add fresh D.E. powder through the skimmer. Some areas regulate where D.E. backwash water can be discharged, so check your local guidelines before backwashing.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eHow much D.E. powder does my filter need?\u003c\/h3\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eA common rule of thumb is roughly 1 pound of D.E. powder per 10 sq. ft. of filter area for a full charge after a complete cleaning, and about 80% of that after a routine backwash. For example, a 36 sq. ft. FNS Plus takes around 3.6 pounds. Always confirm the exact amount in your filter's manual.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eShould I choose the FNS Plus or the Quad D.E.?\u003c\/h3\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eBoth deliver D.E.-level clarity. The FNS Plus uses a traditional vertical-grid design with one-at-a-time grid servicing, while the Quad D.E. uses four removable D.E. cartridges for faster, simpler cleaning that feels more like a cartridge filter. If easy maintenance is your priority, the Quad D.E. is often the better fit. If you're unsure, contact us and we'll help you decide.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eHow often should I clean or replace the grids?\u003c\/h3\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eBeyond routine backwashing, open the tank for a full grid cleaning once or twice a season. Replace grids or D.E. cartridges when the fabric tears, frays, or no longer holds powder evenly. You can find compatible \u003ca href=\"\/collections\/pool-filter-parts\" title=\"Pentair D.E. filter grids and parts\"\u003egrids and parts\u003c\/a\u003e for most Pentair D.E. models in our parts collection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"pentair-fns-plus-filter-36-180007","title":"Pentair FNS Plus Filter 36 180007","description":"\u003ch1\u003eFNS Plus Pool Filters: More Surface Area for Better Filtration\u003c\/h1\u003e\n\u003cp\u003eIntroducing \u003ca title=\"Experience Superior Filtration with Pentair FNS Plus D.E. Pool Filters - Your Gateway to Crystal Clear Waters at Aqua Pool Supply\" href=\"https:\/\/aquapoolsupply.com\/collections\/de-filters?filter.p.product_type=DE+Filter\"\u003eFNS Plus Pool Filters\u003c\/a\u003e, designed to provide superior filtration with less maintenance. These filters are crafted with \u003ca title=\"Enhance Your Filtration System with Pleatco Pool Filter Grid Sets - Your Destination for Quality and Reliability at Aqua Pool Supply\" href=\"https:\/\/aquapoolsupply.com\/search?type=product\u0026amp;options%5Bprefix%5D=last\u0026amp;q=grids*\u0026amp;filter.p.product_type=Pool+Filter+Parts\"\u003ecurved grids\u003c\/a\u003e to maximize the filtration area, ensuring better performance and longer periods between cleanings. Experience crystal clear water with minimized costs and time-tested design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Strength:\u003c\/strong\u003e Made of fiberglass-reinforced polypropylene for long-lasting reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-Ease™ Grid Pack:\u003c\/strong\u003e Ensures easy maintenance and convenience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-to-Bottom Backwash:\u003c\/strong\u003e For efficient cleaning and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Fiberglass Tank:\u003c\/strong\u003e Guarantees a long life and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" Plumbing Connections:\u003c\/strong\u003e Allows for maximum flow and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" Drain:\u003c\/strong\u003e Conveniently located for easier and more efficient cleanout and 100% draining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal Clarity:\u003c\/strong\u003e D.E. filters remove particles as small as 5 microns, ensuring clear and clean water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximized Filtration, Minimized Costs:\u003c\/strong\u003e Curved grids increase filtration area, leading to better performance and lower utility costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Tested Design:\u003c\/strong\u003e Designed for long-term reliability, keeping your pool's water clean and clear for years to come.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FNS Plus Pool Filters are your solution for a cleaner, more enjoyable pool experience. With advanced features and a design focused on efficiency and longevity, these filters are a valuable addition to any pool system. Enjoy the benefits of crystal clear water with less maintenance and cost.\u003c\/p\u003e\n\u003cp\u003e\u003ca style=\"font-size: 0.875rem;\" href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/fns-plus-fiberglass-filter-consumer-brochure-english.pdf\" target=\"_blank\"\u003eFNS Plus Fiberglass DE Filter - English\u003c\/a\u003e\u003cbr\u003e\u003ca style=\"font-size: 0.875rem;\" href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/manual\/fns-plus-vertical-grid-de-filter.pdf\" target=\"_blank\"\u003eFNS Plus Owners Manual English\u003c\/a\u003e\u003cbr\u003e\u003ca style=\"font-size: 0.875rem;\" href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/parts-sheets\/filters\/FNS_Plus_Filters_Vertical_Grid_Filters.pdf\" target=\"_blank\"\u003eFNS Plus Filters Parts List\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSKU: 180007\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":47751673577788,"sku":"180007","price":879.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-fns-plus-filter-36-180007-de-filter-290682.jpg?v=1724722629"},{"product_id":"pentair-fns-plus-filter-48-180008","title":"Pentair FNS Plus Filter 48 180008","description":"\u003ch1\u003eFNS Plus Pool Filters: More Surface Area for Better Filtration\u003c\/h1\u003e\n\u003cp\u003eIntroducing \u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/de-filters?filter.p.product_type=DE+Filter\" title=\"Experience Superior Filtration with Pentair FNS Plus D.E. Pool Filters - Your Gateway to Crystal Clear Waters at Aqua Pool Supply\"\u003eFNS Plus Pool Filters\u003c\/a\u003e, designed to provide superior filtration with less maintenance. These filters are crafted with \u003ca href=\"https:\/\/aquapoolsupply.com\/search?type=product\u0026amp;options%5Bprefix%5D=last\u0026amp;q=grids*\u0026amp;filter.p.product_type=Pool+Filter+Parts\" title=\"Enhance Your Filtration System with Pleatco Pool Filter Grid Sets - Your Destination for Quality and Reliability at Aqua Pool Supply\"\u003ecurved grids\u003c\/a\u003e to maximize the filtration area, ensuring better performance and longer periods between cleanings. Experience crystal clear water with minimized costs and time-tested design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Strength:\u003c\/strong\u003e Made of fiberglass-reinforced polypropylene for long-lasting reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-Ease™ Grid Pack:\u003c\/strong\u003e Ensures easy maintenance and convenience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-to-Bottom Backwash:\u003c\/strong\u003e For efficient cleaning and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Fiberglass Tank:\u003c\/strong\u003e Guarantees a long life and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" Plumbing Connections:\u003c\/strong\u003e Allows for maximum flow and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" Drain:\u003c\/strong\u003e Conveniently located for easier and more efficient cleanout and 100% draining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal Clarity:\u003c\/strong\u003e D.E. filters remove particles as small as 5 microns, ensuring clear and clean water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximized Filtration, Minimized Costs:\u003c\/strong\u003e Curved grids increase filtration area, leading to better performance and lower utility costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Tested Design:\u003c\/strong\u003e Designed for long-term reliability, keeping your pool's water clean and clear for years to come.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FNS Plus Pool Filters are your solution for a cleaner, more enjoyable pool experience. With advanced features and a design focused on efficiency and longevity, these filters are a valuable addition to any pool system. Enjoy the benefits of crystal clear water with less maintenance and cost.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/fns-plus-fiberglass-filter-consumer-brochure-english.pdf\" target=\"_blank\"\u003eFNS Plus Fiberglass DE Filter - English\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/manual\/fns-plus-vertical-grid-de-filter.pdf\" target=\"_blank\"\u003eFNS Plus Owners Manual English\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/parts-sheets\/filters\/FNS_Plus_Filters_Vertical_Grid_Filters.pdf\" target=\"_blank\"\u003eFNS Plus Filters Parts List\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eSKU: 180008\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":47751730200892,"sku":"180008","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-fns-plus-filter-48-180008-de-filter-628122.jpg?v=1724722629"},{"product_id":"pentair-fns-plus-filter-60-ec-180009-2","title":"Pentair FNS Plus Filter 60 180009","description":"\u003ch1\u003eFNS Plus Pool Filters: More Surface Area for Better Filtration\u003c\/h1\u003e\n\u003cp\u003eIntroducing \u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/de-filters?filter.p.product_type=DE+Filter\" title=\"Experience Superior Filtration with Pentair FNS Plus D.E. Pool Filters - Your Gateway to Crystal Clear Waters at Aqua Pool Supply\"\u003eFNS Plus Pool Filters\u003c\/a\u003e, designed to provide superior filtration with less maintenance. These filters are crafted with \u003ca href=\"https:\/\/aquapoolsupply.com\/search?type=product\u0026amp;options%5Bprefix%5D=last\u0026amp;q=grids*\u0026amp;filter.p.product_type=Pool+Filter+Parts\" title=\"Enhance Your Filtration System with Pleatco Pool Filter Grid Sets - Your Destination for Quality and Reliability at Aqua Pool Supply\"\u003ecurved grids\u003c\/a\u003e to maximize the filtration area, ensuring better performance and longer periods between cleanings. Experience crystal clear water with minimized costs and time-tested design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Strength:\u003c\/strong\u003e Made of fiberglass-reinforced polypropylene for long-lasting reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-Ease™ Grid Pack:\u003c\/strong\u003e Ensures easy maintenance and convenience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-to-Bottom Backwash:\u003c\/strong\u003e For efficient cleaning and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Fiberglass Tank:\u003c\/strong\u003e Guarantees a long life and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" Plumbing Connections:\u003c\/strong\u003e Allows for maximum flow and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" Drain:\u003c\/strong\u003e Conveniently located for easier and more efficient cleanout and 100% draining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal Clarity:\u003c\/strong\u003e D.E. filters remove particles as small as 5 microns, ensuring clear and clean water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximized Filtration, Minimized Costs:\u003c\/strong\u003e Curved grids increase filtration area, leading to better performance and lower utility costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Tested Design:\u003c\/strong\u003e Designed for long-term reliability, keeping your pool's water clean and clear for years to come.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FNS Plus Pool Filters are your solution for a cleaner, more enjoyable pool experience. With advanced features and a design focused on efficiency and longevity, these filters are a valuable addition to any pool system. Enjoy the benefits of crystal clear water with less maintenance and cost.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/fns-plus-fiberglass-filter-consumer-brochure-english.pdf\" target=\"_blank\"\u003eFNS Plus Fiberglass DE Filter - English\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/manual\/fns-plus-vertical-grid-de-filter.pdf\" target=\"_blank\"\u003eFNS Plus Owners Manual English\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/parts-sheets\/filters\/FNS_Plus_Filters_Vertical_Grid_Filters.pdf\" target=\"_blank\"\u003eFNS Plus Filters Parts List\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eSKU: 180009\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":47752004960572,"sku":"180009","price":1095.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-fns-plus-filter-60-180009-de-filter-267233.jpg?v=1724722626"},{"product_id":"pentairfnsplus60sqftdefilterec180009penec180009","title":"Pentair FNS Plus 60 sq ft DE Filter | EC-180009","description":"\u003c!--split--\u003e\n\u003ch1\u003eFNS Plus Pool Filters: More Surface Area for Better Filtration\u003c\/h1\u003e\n\u003cp\u003eIntroducing \u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/de-filters?filter.p.product_type=DE+Filter\" title=\"Experience Superior Filtration with Pentair FNS Plus D.E. Pool Filters - Your Gateway to Crystal Clear Waters at Aqua Pool Supply\"\u003eFNS Plus Pool Filters\u003c\/a\u003e, designed to provide superior filtration with less maintenance. These filters are crafted with \u003ca href=\"https:\/\/aquapoolsupply.com\/search?type=product\u0026amp;options%5Bprefix%5D=last\u0026amp;q=grids*\u0026amp;filter.p.product_type=Pool+Filter+Parts\" title=\"Enhance Your Filtration System with Pleatco Pool Filter Grid Sets - Your Destination for Quality and Reliability at Aqua Pool Supply\"\u003ecurved grids\u003c\/a\u003e to maximize the filtration area, ensuring better performance and longer periods between cleanings. Experience crystal clear water with minimized costs and time-tested design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Strength:\u003c\/strong\u003e Made of fiberglass-reinforced polypropylene for long-lasting reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-Ease™ Grid Pack:\u003c\/strong\u003e Ensures easy maintenance and convenience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-to-Bottom Backwash:\u003c\/strong\u003e For efficient cleaning and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Fiberglass Tank:\u003c\/strong\u003e Guarantees a long life and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" Plumbing Connections:\u003c\/strong\u003e Allows for maximum flow and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" Drain:\u003c\/strong\u003e Conveniently located for easier and more efficient cleanout and 100% draining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal Clarity:\u003c\/strong\u003e D.E. filters remove particles as small as 5 microns, ensuring clear and clean water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximized Filtration, Minimized Costs:\u003c\/strong\u003e Curved grids increase filtration area, leading to better performance and lower utility costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Tested Design:\u003c\/strong\u003e Designed for long-term reliability, keeping your pool's water clean and clear for years to come.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FNS Plus Pool Filters are your solution for a cleaner, more enjoyable pool experience. With advanced features and a design focused on efficiency and longevity, these filters are a valuable addition to any pool system. Enjoy the benefits of crystal clear water with less maintenance and cost.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/fns-plus-fiberglass-filter-consumer-brochure-english.pdf\" target=\"_blank\"\u003eFNS Plus Fiberglass DE Filter - English\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/manual\/fns-plus-vertical-grid-de-filter.pdf\" target=\"_blank\"\u003eFNS Plus Owners Manual English\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/parts-sheets\/filters\/FNS_Plus_Filters_Vertical_Grid_Filters.pdf\" target=\"_blank\"\u003eFNS Plus Filters Parts List\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eSKU: EC-180009\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52335992635708,"sku":"EC-180009","price":1519.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-fns-plus-60-sq-ft-de-filter-ec-180009-de-filter-8312249.png?v=1777664228"},{"product_id":"pentairfnsplus36sqftdefilterec180007penec180007","title":"Pentair FNS Plus 36 sq ft DE Filter | EC-180007","description":"\u003c!--split--\u003e\n\u003ch1\u003eFNS Plus Pool Filters: More Surface Area for Better Filtration\u003c\/h1\u003e\n\u003cp\u003eIntroducing \u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/de-filters?filter.p.product_type=DE+Filter\" title=\"Experience Superior Filtration with Pentair FNS Plus D.E. Pool Filters - Your Gateway to Crystal Clear Waters at Aqua Pool Supply\"\u003eFNS Plus Pool Filters\u003c\/a\u003e, designed to provide superior filtration with less maintenance. These filters are crafted with \u003ca href=\"https:\/\/aquapoolsupply.com\/search?type=product\u0026amp;options%5Bprefix%5D=last\u0026amp;q=grids*\u0026amp;filter.p.product_type=Pool+Filter+Parts\" title=\"Enhance Your Filtration System with Pleatco Pool Filter Grid Sets - Your Destination for Quality and Reliability at Aqua Pool Supply\"\u003ecurved grids\u003c\/a\u003e to maximize the filtration area, ensuring better performance and longer periods between cleanings. Experience crystal clear water with minimized costs and time-tested design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Strength:\u003c\/strong\u003e Made of fiberglass-reinforced polypropylene for long-lasting reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-Ease™ Grid Pack:\u003c\/strong\u003e Ensures easy maintenance and convenience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-to-Bottom Backwash:\u003c\/strong\u003e For efficient cleaning and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Fiberglass Tank:\u003c\/strong\u003e Guarantees a long life and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" Plumbing Connections:\u003c\/strong\u003e Allows for maximum flow and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" Drain:\u003c\/strong\u003e Conveniently located for easier and more efficient cleanout and 100% draining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal Clarity:\u003c\/strong\u003e D.E. filters remove particles as small as 5 microns, ensuring clear and clean water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximized Filtration, Minimized Costs:\u003c\/strong\u003e Curved grids increase filtration area, leading to better performance and lower utility costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Tested Design:\u003c\/strong\u003e Designed for long-term reliability, keeping your pool's water clean and clear for years to come.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FNS Plus Pool Filters are your solution for a cleaner, more enjoyable pool experience. With advanced features and a design focused on efficiency and longevity, these filters are a valuable addition to any pool system. Enjoy the benefits of crystal clear water with less maintenance and cost.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/fns-plus-fiberglass-filter-consumer-brochure-english.pdf\" style=\"font-size: 0.875rem;\" target=\"_blank\"\u003eFNS Plus Fiberglass DE Filter - English\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/manual\/fns-plus-vertical-grid-de-filter.pdf\" style=\"font-size: 0.875rem;\" target=\"_blank\"\u003eFNS Plus Owners Manual English\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/parts-sheets\/filters\/FNS_Plus_Filters_Vertical_Grid_Filters.pdf\" style=\"font-size: 0.875rem;\" target=\"_blank\"\u003eFNS Plus Filters Parts List\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSKU: EC-180007\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52336005382460,"sku":"EC-180007","price":1229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-fns-plus-filter-36-180007-de-filter-581051.jpg?v=1724722629"},{"product_id":"pentairfnsplus48sqftdefilterec180008penec180008","title":"Pentair FNS Plus 48 sq ft DE Filter | EC-180008","description":"\u003c!--split--\u003e\n\u003ch1\u003eFNS Plus Pool Filters: More Surface Area for Better Filtration\u003c\/h1\u003e\n\u003cp\u003eIntroducing \u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/de-filters?filter.p.product_type=DE+Filter\" title=\"Experience Superior Filtration with Pentair FNS Plus D.E. Pool Filters - Your Gateway to Crystal Clear Waters at Aqua Pool Supply\"\u003eFNS Plus Pool Filters\u003c\/a\u003e, designed to provide superior filtration with less maintenance. These filters are crafted with \u003ca href=\"https:\/\/aquapoolsupply.com\/search?type=product\u0026amp;options%5Bprefix%5D=last\u0026amp;q=grids*\u0026amp;filter.p.product_type=Pool+Filter+Parts\" title=\"Enhance Your Filtration System with Pleatco Pool Filter Grid Sets - Your Destination for Quality and Reliability at Aqua Pool Supply\"\u003ecurved grids\u003c\/a\u003e to maximize the filtration area, ensuring better performance and longer periods between cleanings. Experience crystal clear water with minimized costs and time-tested design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Strength:\u003c\/strong\u003e Made of fiberglass-reinforced polypropylene for long-lasting reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-Ease™ Grid Pack:\u003c\/strong\u003e Ensures easy maintenance and convenience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-to-Bottom Backwash:\u003c\/strong\u003e For efficient cleaning and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Fiberglass Tank:\u003c\/strong\u003e Guarantees a long life and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" Plumbing Connections:\u003c\/strong\u003e Allows for maximum flow and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" Drain:\u003c\/strong\u003e Conveniently located for easier and more efficient cleanout and 100% draining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal Clarity:\u003c\/strong\u003e D.E. filters remove particles as small as 5 microns, ensuring clear and clean water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximized Filtration, Minimized Costs:\u003c\/strong\u003e Curved grids increase filtration area, leading to better performance and lower utility costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Tested Design:\u003c\/strong\u003e Designed for long-term reliability, keeping your pool's water clean and clear for years to come.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FNS Plus Pool Filters are your solution for a cleaner, more enjoyable pool experience. With advanced features and a design focused on efficiency and longevity, these filters are a valuable addition to any pool system. Enjoy the benefits of crystal clear water with less maintenance and cost.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/fns-plus-fiberglass-filter-consumer-brochure-english.pdf\" target=\"_blank\"\u003eFNS Plus Fiberglass DE Filter - English\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/filters\/fns-plus\/manual\/fns-plus-vertical-grid-de-filter.pdf\" target=\"_blank\"\u003eFNS Plus Owners Manual English\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/parts-sheets\/filters\/FNS_Plus_Filters_Vertical_Grid_Filters.pdf\" target=\"_blank\"\u003eFNS Plus Filters Parts List\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eSKU: EC-180008\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589953909052,"sku":"EC-180008","price":1379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-fns-plus-48-sq-ft-de-filter-ec-180008-de-filter-2281797.png?v=1771362128"},{"product_id":"pentair60sqftquaddecartridgestylefilterec188592penec188592","title":"Pentair 60 sq ft Quad DE Cartridge Style Filter | EC-188592","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair Quad D.E.® 60 Cartridge-Style D.E. Pool Filter | EC-188592\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair EC-188592 is the \u003cstrong\u003eQuad D.E.® 60\u003c\/strong\u003e cartridge-style diatomaceous earth (D.E.) pool filter.\n    It delivers D.E.-level water clarity while using \u003cstrong\u003efour removable cartridge elements\u003c\/strong\u003e for easier handling and cleaning.\n    You can backwash and recharge like a traditional D.E. filter, remove and rinse the cartridges, or rinse in place through the drain.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e60 sq ft effective filtration area\u003c\/strong\u003e using a 4-cartridge design for strong dirt-holding capacity.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eD.E.-level filtration performance\u003c\/strong\u003e when charged with the proper amount of D.E.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMultiple cleaning options:\u003c\/strong\u003e backwash\/recharge, remove-and-rinse cartridges, or rinse in place through the drain.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Flow™ manual air relief\u003c\/strong\u003e plus internal air relief helps purge trapped air for safer, consistent operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable tank:\u003c\/strong\u003e chemical-resistant, fiberglass-reinforced polypropylene that won’t corrode.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePlumbing-friendly:\u003c\/strong\u003e 2\" connections for high flow and a 1-1\/2\" drain for quick, efficient cleanout.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel \/ Part Number:\u003c\/strong\u003e EC-188592\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Pentair Quad D.E.® Cartridge Style Filter\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilter Area:\u003c\/strong\u003e 60 sq ft\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRecommended Max Flow (Residential):\u003c\/strong\u003e 120 GPM\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRecommended Max Flow (Commercial):\u003c\/strong\u003e 150 GPM\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTurnover Capacity:\u003c\/strong\u003e 43,200 gal (6 hr) \/ 57,600 gal (8 hr) \/ 86,400 gal (12 hr)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure:\u003c\/strong\u003e 50 PSI\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 2\" plumbing connections\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDrain:\u003c\/strong\u003e 1-1\/2\" drain\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRequired D.E. Charge (Quad 60):\u003c\/strong\u003e 6 lb (precoat\/recharge)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVertical Clearance Needed:\u003c\/strong\u003e 62\" (for element removal)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFilter tank assembly (lid, clamp, base)\u003c\/li\u003e\n    \u003cli\u003e(4) internal cartridge elements (installed)\u003c\/li\u003e\n    \u003cli\u003eManual air relief \/ gauge port assembly (as equipped)\u003c\/li\u003e\n    \u003cli\u003eDrain plug assembly\u003c\/li\u003e\n    \u003cli\u003eBulkhead adapter kit for 2\" connections (configuration may vary by production run)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eValve \u0026amp; Plumbing Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValve sold separately\u003c\/strong\u003e (optional, depending on how you plumb the system).\u003c\/li\u003e\n    \u003cli\u003eCommon valve options used with this series include 2\" hi-flow multiport\/backwash valves or a 2\" slide (push-pull) valve (match your plumbing layout and parts requirements).\u003c\/li\u003e\n    \u003cli\u003eSupport plumbing to avoid stress on the bulkheads and tank.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=178654\"\u003eReplacement Cartridge Element Set (Quad 60) - 178654\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=261050\"\u003e2\" Hi-Flow Backwash Valve - 261050\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=261055\"\u003e2\" Multiport Valve - 261055\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=263064\"\u003e2\" Slide Valve (Push-Pull) - 263064\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=diatomaceous%20earth%20DE%20powder\"\u003eD.E. Filter Powder\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=pool%20filter%20pressure%20gauge\"\u003eFilter Pressure Gauges\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=silicone%20pool%20lube\"\u003eSilicone Lubricant for O-rings and seals\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eAfter a full clean and recharge, record your \u003cstrong\u003eclean starting pressure\u003c\/strong\u003e. Service the filter when pressure rises about \u003cstrong\u003e8–10 PSI\u003c\/strong\u003e above that baseline.\u003c\/li\u003e\n    \u003cli\u003eDo not operate the filter without D.E. for more than a few minutes—running without D.E. can damage the elements and reduce performance.\u003c\/li\u003e\n    \u003cli\u003eUse the correct D.E. amount for the Quad 60 (\u003cstrong\u003e6 lb\u003c\/strong\u003e) when recharging to maintain clarity and protect the cartridges.\u003c\/li\u003e\n    \u003cli\u003eOpen the manual air relief during startup to purge trapped air before normal operation.\u003c\/li\u003e\n    \u003cli\u003eClean and lightly lubricate tank and valve O-rings with a silicone\/PTFE-based lube only (never petroleum-based).\u003c\/li\u003e\n    \u003cli\u003eWinterize properly by fully draining the tank through the 1-1\/2\" drain to reduce freeze damage risk.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589953941820,"sku":"EC-188592","price":1429.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-60-sq-ft-quad-de-cartridge-style-filter-ec-188592-de-filter-8110706.png?v=1771362128"},{"product_id":"pentair100sqftquaddecartridgestylefilterec188594penec188594","title":"Pentair 100 sq ft Quad DE Cartridge Style Filter | EC-188594","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair Quad D.E.® 100 Cartridge-Style D.E. Pool Filter | EC-188594\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair EC-188594 is a Quad D.E.® 100 cartridge-style diatomaceous earth (D.E.) pool filter that combines\n    D.E.-level water clarity with the convenience of four removable cartridge elements. You can backwash and recharge like a\n    traditional D.E. filter, remove and rinse the cartridges, or rinse in place through the drain for faster cleanouts.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e100 sq ft effective filtration area\u003c\/strong\u003e with a four-cartridge design for strong dirt-holding capacity and longer intervals between cleanings.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eD.E. filtration performance\u003c\/strong\u003e for high water clarity (filters very fine particles when charged properly).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMultiple cleaning options:\u003c\/strong\u003e backwash\/recharge, remove-and-rinse cartridges, or rinse in place through the drain.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable tank construction\u003c\/strong\u003e using chemical-resistant, fiberglass-reinforced polypropylene.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh-flow plumbing design:\u003c\/strong\u003e 2\" plumbing connections and a 1-1\/2\" drain for full draining and easier cleanout.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManual air relief valve\u003c\/strong\u003e helps purge trapped air for safer startup and consistent filtration.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel \/ Part Number:\u003c\/strong\u003e EC-188594\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Quad D.E.® Cartridge Style Filter\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilter Area:\u003c\/strong\u003e 100 sq ft\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaximum Flow Rate (Residential):\u003c\/strong\u003e 160 GPM\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaximum Flow Rate (Commercial):\u003c\/strong\u003e 150 GPM\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure:\u003c\/strong\u003e 50 PSI\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 2\" plumbing connections\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDrain:\u003c\/strong\u003e 1-1\/2\" drain\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRequired D.E. Charge (Quad 100):\u003c\/strong\u003e 10 lb (when recharging per manual)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilter Diameter:\u003c\/strong\u003e 21.5\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVertical Clearance Needed:\u003c\/strong\u003e 74\" (for element removal)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eQuad D.E.® 100 filter tank assembly\u003c\/li\u003e\n    \u003cli\u003eFour internal D.E. cartridge elements (installed)\u003c\/li\u003e\n    \u003cli\u003eManual air relief valve \/ gauge assembly (as equipped)\u003c\/li\u003e\n    \u003cli\u003eDrain plug assembly\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePlan for \u003cstrong\u003e74\" vertical clearance\u003c\/strong\u003e above the tank to remove the cartridges for service.\u003c\/li\u003e\n    \u003cli\u003eSupport plumbing to prevent stress on the bulkheads and tank.\u003c\/li\u003e\n    \u003cli\u003eIf plumbing the filter for backwashing through a valve, use a compatible high-flow backwash valve or slide valve as specified for Quad D.E. systems.\u003c\/li\u003e\n    \u003cli\u003eAlways follow safe start-up and air-relief procedures; trapped air in any filter can be hazardous.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=Quad%20DE%20178656\"\u003eReplacement Cartridge Element (Quad 100)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=261050\"\u003eHi-Flow Backwash Valve (2\")\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=261055\"\u003eHi-Flow Backwash Valve (2\")\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=263064\"\u003e2\" Slide Valve for D.E. Filters\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=diatomaceous%20earth%20DE%20powder\"\u003eD.E. Filter Powder\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=pool%20filter%20pressure%20gauge\"\u003eFilter Pressure Gauges\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eRecord the clean starting pressure after a full clean\/recharge; service the filter when pressure rises about \u003cstrong\u003e10 PSI\u003c\/strong\u003e above that baseline.\u003c\/li\u003e\n    \u003cli\u003eDo not run the filter without D.E. on the cartridges; operating without D.E. can damage the elements.\u003c\/li\u003e\n    \u003cli\u003eFor best performance, use the correct D.E. amount for the Quad 100 when recharging and rinse cartridges thoroughly during manual cleanings.\u003c\/li\u003e\n    \u003cli\u003eLubricate O-rings with a PTFE or silicone-based lubricant only (never petroleum-based).\u003c\/li\u003e\n    \u003cli\u003eWinterize properly in freeze-prone areas by draining the tank completely using the 1-1\/2\" drain.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589953974588,"sku":"EC-188594","price":2109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-100-sq-ft-quad-de-cartridge-style-filter-ec-188594-de-filter-6504309.png?v=1771362131"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/collections\/pentair-de-filters-fns-plus-quad-de-4485165.png?v=1781125511","url":"https:\/\/aquapoolsupply.com\/collections\/pentair-de-filters.oembed","provider":"Aqua Pool Supply","version":"1.0","type":"link"}