Unicel Replacement Filter Cartridge for Harmsco SC/TC-155 | 155 sq. ft. | C-7697 Enzymes NOTE: Cationic polymers used in

NOTE: Cationic polymers used in many clarifiers

Works in the filter (no clouding of the pool water)

Also known as: DAPT2

a significant step up from the original OEM cartridge

causes reagents to deteriorate

Unicel Replacement Filter Cartridge for Harmsco SC/TC-155 | 155 sq. ft. | C-7697 Enzymes NOTE: Cationic polymers used inThe Unicel C 7697 is a 7000 Series 155 sq. ft. replacement filter cartridge precision engineered to fit Harmsco BF155SC filter housings that use the OEM SC TC 155 cartridge. With 200 pleats of heavy duty 4 oz. Reemay 2040 polyester media and a 3 1 2" female pipe thread (FPT) top cap, this high capacity cartridge delivers consistent, high flow filtration performance for large residential and commercial pool systems. IMPORTANT: Outer Diameter Difference