Martec, Sonfarrel, Advantage Mfg.

The Unicel C-4332 filter cartridge is used in select Viking and Emerald Spas. For optimal fit and performance, verify that this filter cartridge matches the dimensions of your old pool filter cartridge. Filter details: Unicel P/N: C-4332 Diameter: 4-15/16" Length: 11-7/8" Top: 2-1/8" Open Bottom: 2-1/8" Open Media: 50 sq.ft. Filter Media: 3oz Reemay Pleat count: 54 Compatible replacement for: Unicel C-4330 Martec SC-2200 Martec SC-3500 Sonfarrel 220022 How long should Unicel pool and 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.