{"product_id":"unicelreplacementfiltercartridgefor75sfcalderaspac7479unfc7479","title":"Unicel Replacement Filter Cartridge for 75 sf Caldera Spa | C-7479","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eUnicel C-7479 Replacement Spa Filter Cartridge – 75 Sq Ft (Caldera 33017 Style)\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Unicel C-7479 is a premium \u003cstrong\u003e75 sq ft\u003c\/strong\u003e replacement cartridge filter commonly used in select \u003cstrong\u003eCaldera \/ Watkins\u003c\/strong\u003e\n    spa filtration systems. It features a \u003cstrong\u003etop carry handle\u003c\/strong\u003e and a \u003cstrong\u003e2\" male slip bottom connection\u003c\/strong\u003e for proper seating\n    in compatible filter canisters. Replacing an aged or damaged cartridge helps restore circulation, improve water clarity, and reduce\n    strain on the pump and heater.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e75 sq ft\u003c\/strong\u003e pleated filtration area for strong debris capture and good flow\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTop:\u003c\/strong\u003e semi-circular carry handle for easy removal\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottom:\u003c\/strong\u003e 2\" male slip fitting for correct alignment\/connection in compatible housings\u003c\/li\u003e\n    \u003cli\u003eDurable pleat media and rigid inner core designed for repeated cleanings\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C-7479\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFiltration Area:\u003c\/strong\u003e 75 sq ft\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 7\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 14-3\/4\" (cartridge body; handle not included in length measurement)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTop End Cap:\u003c\/strong\u003e Handle (closed)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottom End Cap:\u003c\/strong\u003e 2\" Male Slip\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePleat Count (typical):\u003c\/strong\u003e 216\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatible \/ Replaces\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCaldera \/ Watkins:\u003c\/strong\u003e 33017 (commonly referenced as “older style” 75 sq ft filter)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePleatco:\u003c\/strong\u003e PCD75\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilbur:\u003c\/strong\u003e FC-3085\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDarlly:\u003c\/strong\u003e 70752\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBaleen:\u003c\/strong\u003e AK-6050\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAladdin:\u003c\/strong\u003e 17523\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePleats are torn, frayed, or separating from end caps\u003c\/li\u003e\n    \u003cli\u003eCartridge won’t clean up well after a deep soak and thorough rinse\u003c\/li\u003e\n    \u003cli\u003eFlow is reduced or pressure rises quickly after cleaning\u003c\/li\u003e\n    \u003cli\u003eEnd caps are cracked\/warped or the core is collapsing\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\/search?q=Unicel%20C-7479\"\u003eUnicel C-7479 (Shop \/ Options)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pleatco%20PCD75\"\u003ePleatco PCD75 (Alternate Cartridge)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Filbur%20FC-3085\"\u003eFilbur FC-3085 (Alternate Cartridge)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=spa%20cartridge%20filter%20cleaner\"\u003eSpa Cartridge Filter Cleaner\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=cartridge%20cleaning%20wand\"\u003eCartridge Cleaning Wand\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=spa%20water%20test%20strips\"\u003eSpa Water Test Strips\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eRinse the cartridge regularly (weekly for heavy use) to prevent restriction and keep jets flowing strong.\u003c\/li\u003e\n    \u003cli\u003eDeep clean with a cartridge cleaner to remove oils; rinse thoroughly before reinstalling.\u003c\/li\u003e\n    \u003cli\u003eIf scale is present, degrease first, then use a scale treatment (never reverse the order) and rinse well.\u003c\/li\u003e\n    \u003cli\u003eRotating between two cartridges (one in use, one drying after cleaning) can extend overall filter life and improve performance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Unicel","offers":[{"title":"Default Title","offer_id":52589963051324,"sku":"C-7479","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/unicel-replacement-filter-cartridge-for-75-sf-caldera-spa-c-7479-cartridges-3395345.jpg?v=1770393336","url":"https:\/\/aquapoolsupply.com\/products\/unicelreplacementfiltercartridgefor75sfcalderaspac7479unfc7479","provider":"Aqua Pool Supply","version":"1.0","type":"link"}