Unicel Replacement Filter Cartridge 15 sf Intex B Filter | C-5315
Unicel
SKU: C-5315
Unicel C-5315 Replacement Pool Filter Cartridge – 15 Sq Ft (Intex Type B Compatible)
The Unicel C-5315 is a 15 sq ft pleated replacement filter cartridge commonly used with Intex Type B style above-ground pool filter systems. It’s designed with open ends to slide onto the filter’s center support/standpipe, capturing fine debris to help keep water clear while maintaining steady circulation.
Key Features
- 15 sq ft filtration area for reliable everyday pool filtration
- Open top & open bottom for standpipe-style canisters
- Helps trap dirt, pollen, and fine debris to improve water clarity
- Durable pleated media built for repeated rinsing and cleaning cycles
Specifications
- Part Number: C-5315
- Filtration Area: 15 sq ft
- Outside Diameter: 5-3/4"
- Length: 10"
- Top End Cap: Open
- Top Inside Diameter: 1-7/8"
- Bottom End Cap: Open
- Bottom Inside Diameter: 1-7/8"
- Pleat Count: 70
Replaces / Cross References
- Pleatco: PIN20
- Filbur: FC-3752
- Common Application: Intex Type B cartridge (verify by measurements)
When to Replace
- Filter flow drops or pressure rises quickly after cleaning
- Pleats are torn, frayed, or separating from end caps
- Cartridge stays discolored and restrictive even after a deep clean
- End caps are cracked/warped or the inner core is weakening
Related Products
- Unicel C-5315 (Shop / Options)
- Pleatco PIN20 (Alternate Cartridge)
- Filbur FC-3752 (Alternate Cartridge)
- Cartridge Filter Cleaner
- Cartridge Cleaning Wands
- Skimmer Socks / Fine Debris Pre-Filters
Maintenance Tips
- Rinse the cartridge whenever flow drops or on a regular schedule during heavy use.
- Spray between pleats from top to bottom and rotate the cartridge as you clean for a more thorough rinse.
- Deep clean periodically with a cartridge cleaner to remove oils and fine debris; rinse completely before reinstalling.
- Keep water chemistry balanced to reduce scale and extend cartridge life.
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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