Aqua Pure C-CS-S Filter Drinking Water Cartridge

The Aqua Pure AP Easy Drinking Water Systems and AP Easy Cooler Series have 1/4" OD Quick Connect Fittings on the inlet and outlet.Aqua Pure Water Fitlers / AP Easy replacement water filter cartridges fit the standard B2 head. Filter heads with a B4 designation (small print on head) have a special key, we do not offer filters for the B4 head. Not compatible with Whirlpool UltraEase models WHCF-SUFC, and WHCF-SUF.