PleatcoPure® Replacement Cartridge, Pleatco Advanced Point Bonded Filtration Fabric Filter Media, 6 in Diameter, For Use With: Waterway 1-1/2 in SAE Front Access 50 Filters, Aber Hot Tubs, American Spas, Apollo Spas, Arcadia Spas, Atera Spas, Belize Spas, Blue Pacific Spas, Bullfrog Spas, Canspa Manufacturing, Catalina Spas, Charisma Spas, Clearwater Spas, Custom Molded Products, Dakota Spas, Dynasty Spas, Freestyle Spas, Gulf Coast Spas, H2O Spas, Haven Spas, Hawkeye Spas, Infinity Spas - TN, Islander Spas, Leisure Bay Manufacturing, Millennium Spas, Phoenix Spas, Rec Warehouse, Santa Barbara Spas, Spas Direct, Sunbelt Spas, Sunrise Spas, Superior Spas, Thermo Spas, Tuff Spa, Viking Spas, Vita Spas and Waterway Plastics Pools/Spas, Additional Information: 7-5/8 in L Dimensions, 50 sq-ft Material Area, 3 oz/sq-yd Material Weight