Darlly 81004 FC-3965 C-8399 PC-3965 Spa/Pool Filter Cartridge controlsystemparts A filter cartridge helps trap

A filter cartridge helps trap suspended debris within a compatible spa or pool filtration system

Filter cartridge for compatible applications using FC-1294

That added area can be especially valuable in demanding applications where keeping water cleaner for longer periods matters

The dedicated reference gives this cartridge practical value because filter service is most reliable when the replacement is matched to the intended application family

The Waterway 413-2320 sanitary tee is designed for compatible plumbing applications using a 2-1/2 inch by 2-1/2 inch by 2-1/2 inch configuration

Darlly 81004 FC-3965 C-8399 PC-3965 Spa/Pool Filter Cartridge controlsystemparts A filter cartridge helps trapThe Darlly 81004 filter cartridge is designed for compatible filtration applications and offers 100 square feet of filtration area with 3 5 8 inch bottom opening, 8 inch diameter, and 16 1 2 inch length. A cartridge like this is useful because it restores filter performance while matching the original shorter body cartridge design required by the housing. When one end dimension or opening style differs from more common cartridges, careful matching