B08YWZNXPC SpiroPure Replacement for Pleatco PRB35-IN Unicel C-4335 Filbur FC-2385 Thermo Spas FL1008 Caldera Spas 74148 Waterway 35 817-3501 6000-136 Hot Tub Spa Pool Filter Replacement Cartridge (Case of 6)

Make sure this fitsby entering your model number. Outer Diameter: 4 15/16″ Length: 9 1/4″ Media: 35 SF Compatible with Pleatco PRB35-IN PRB35-IN-M Unicel C-4335 Filbur FC-2385 Thermo Spas FL1008 Caldera Spas 74148 Waterway 35 817-3501 6000-136 Baleen AK-3015 Tier1 PAS-1444 Sundance Spas 6000-136 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