Cartridge, 35sqft, 2-1/8"ot, 2-1/8"ob, 5", 10-3/8"L, 3ozCompatible with the following:Part/CategoryBrand/ManufacturerPart NameFilterPentairPentair Rainbow DSF Series Skim Filter

Cartridge, 35sqft, 2-1/8"ot, 2-3/16"ob, 5", 4-5/8"L,3oz,PairCompatible with the following:Part/CategoryBrand/ManufacturerPart NameFilterPentairPentair Rainbow DSF Series Skim Filter

Cartridge, 30sqft, 2-1/8"ot, 2-1/8"ob, 4-15/16", 10-3/8" 3ozCompatible with the following:Part/CategoryBrand/ManufacturerPart NameFilterPentairPentair Rainbow DSF Series Skim Filter