Hot Springs Spas, Hot Springs Mfg.

The Unicel C-8465 hot tub filter was used in select Watkins, Hot Springs Caldera and Tiger River Spas that use the OEM filters listed below. For optimal fit and performance, verify that this filter cartridge matches the dimensions of the old filter in your spa. Filter details: Unicel P/N: C-8465 Diameter: 8-1/2" Length: 10-1/2" Top: 3" Open Bottom: 3" Open Media: 65 sq.ft. Filter Media: 3oz Reemay Pleat count: 234 Compatible replacement for: Pleatco PWK65 Filbur FC-3960 Tiger River Spas OEM 31114 Caldera Spas OEM 76136 Hot Springs Spas OEM 71827 Watkins OEM 71828 How long should Unicel hot tub filters last? While most hot tub filters need to be changed every six to twelve months, Unicel brand filters are made with REEMAY premium trilobal filtration media that delivers 45% more surface area over standard rounded filter fibres and can last up to 18 months or more, depending on your level of hot tub use and filter cleaning routine.