Intex 4 1/4 Pool Replacement Filter

Intex filter cartridge - Cartridge A - to be used for the smaller pools - 8' - 18' Easy Set Pool Models, All of the Oval Frame pool models & the 18' Rectangular Frame Pool Models. Also fits pumps that take Type C filter cartridges. Easy to clean dacron filter material. Shrink wrapped with litho label. Replace cartridge every two weeks. For filter pump item#58603/58604/56637/56638/56635/56636. Easy to change