The Vevor 6-stage reverse osmosis composite filter is designed to deliver deep water purification for cleaner, better-tasting water. Its multi-layer filtration system helps reduce large-particle impurities, residual chlorine, discoloration, and unpleasant odors. The filter is rated for up to 1057 gallons of water purification capacity to help reduce replacement frequency. It is compatible with the Vevor X811B ice maker water dispenser. This cartridge is suited for home, office, and everyday hydration use.