INTEX pool filter cartridge A/C

New box of 6 sets of 2. never opened 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. Compatible with: 28603EG, 530 GPH Cartridge Filter Pump 28637EG, 1000 GPH Cartridge Filter Pump 28635EG, 1500 GPH Cartridge Filter Pump