Intex Krystal Clear Pool Filter Cartridge 8 in. H X 4.25 in. W X 4.25 in. L

A must have accessory to the Krystal Clear Cartridge Filter Pump, this filter cartridge is made with easy-to-clean Dacron paper for the ultimate filtration. For maximum efficiency, replace cartridges every two weeks. Intex Type-A filter cartridges are an easy and hassle-free way to keep your pool sparkling and clean.