Unicel 4CH-24 Replacement Filter Cartridge | 25 sq. ft. | 1-1/2" MPT Bottom C8416 does not affect pool water

does not affect pool water pH and does not contain dyes or artificial coloring

1 cartridge per service Pentair – American Products Predator 50 59054000 Legacy American Products branding Pentair – Pac-Fab Clean and Clear 50 59054000 Legacy Pac-Fab branding (This is not an exhaustive list

It digests oil on contact and is safe for both the environment and swimmers

Sanitizer level should be below 5ppm before adding this product

older testing methods

Unicel 4CH-24 Replacement Filter Cartridge | 25 sq. ft. | 1-1/2" MPT Bottom C8416 does not affect pool waterThe Unicel 4CH 24 is a 4000 Series 25 sq. ft. replacement spa filter cartridge engineered for top load filter housings that use a 1 1 2" male pipe thread (MPT) bottom connection. With 173 pleats of 3 oz. Reemay 2033 polyester media packed into a compact 9 3 4" body, this cartridge delivers exceptional dirt holding capacity and water clarity in spa and hot tub applications. IMPORTANT: Dream Maker Spa Owners Read Before Installing Some Dream Maker spa