Amazon.com : Type H Filter Cartridge [6 Pack] Replacement Cartridge Pool Filters for INTEX Cartridge Filter Pump Model #28601EG, 330 GPH Cartridge Filter Pump Type H Pool Filter for Above Ground Pools :
Intex 12-ft x 12-ft x 30-in Round Above-Ground Pool in the Above-Ground Pools department at Lowes.com
Intex 18ft x 48in Metal Frame Swimming Pool Set with Pump + 6 Filter Cartridges - Walmart.com
Lay In Air Spa Whirl Pool Filters For S1 V1 Washable For Intex S1 Foam Sponge UK | eBay
Intex 12 ft. x 30 in. Round Swimming Pool and 530 GPH Pool Cartridge Filter Pump 28210EH + 28603EG - The Home Depot