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.
