The Unicel Swimming Pool Filter is made from heavy duty polyester and is designed to last far longer than cheaper alternatives, while having more pleats to improve filtering capacity. Unicel filters are made in the USA for the highest possible quality, allowing you to buy with confidence. Buy 1, take 4 filters.
4 New Unicel C8399 Replacement Spa Filter Cartridges
Industry's most complete line of replacement filter elements
For use with, Caldera Spas and more
Sharp pleat folds maximize spacing between pleats
Tough urethane end caps assure durability for the life of the cartridge
Bottom End Cap, Open w/ lip seal 0-inch id
Pleat Count: 259 Each
Description, Caldera Spas 100 square feet each
Manufacturer warranty, 1-year