SpiroPure Replacement for Pleatco PWW35L Unicel 4CH-935 Filbur FC-0170 Baleen AK-90082 Nordic T-35 Waterway Plastics 817-4035 Hot Tub Spa Pool Filter Replacement Cartridge (Case of 6)

Outer Diameter: 4-15/16" Length: 9 1/4" Media: 35 SF Compatible with Pleatco PWW35L Unicel 4CH-935 Filbur FC-0170 Baleen AK-90082 Nordic T-35 Waterway Plastics 817-4035 Hot Tub Spa Filter. SpiroPure pool and spa filter cartridges offer long-lasting, durable filter media with high dirt holding capacity for clear, sparkling water in your pool or hot tub spa. A strong inner core means increased strength without hindering water flow or filtration performance. Easy to install, durable filter cartridges that allow for high filtration performance and efficiency