Spa Filter Cartridges
Pick your part number to compare the maker's own part with every aftermarket and cross-reference alternative. Cartridge numbers are printed on the end cap or label.
13 part numbers55 brandsHot Spring · Pleatco · Unicel
- UnicelC-4950filter cartridge24 options · 17 brands
- Unicel6CH-940filter cartridge20 options · 18 brands
- Hot Spring31114filter cartridge20 options · 14 brands
- UnicelC-4326filter cartridge15 options · 10 brands
- Unicel4CH-949filter cartridge15 options · 12 brands
- Hot Spring78460filter cartridge14 options · 12 brands
- Unicel6CH-960filter cartridge11 options · 11 brands
- PleatcoPDM28filter cartridge11 options · 11 brands
- Hot Spring31489filter cartridge10 options · 8 brands
- UnicelC-4335filter cartridge8 options · 8 brands
- Unicel5CH-352filter cartridge7 options · 5 brands
- Unicel6CH-502filter cartridge6 options · 6 brands
- PleatcoPWK35Bfilter cartridge6 options · 5 brands