COMPATIBILITY: Pairs RO systems, filtered water systems, chillers, or as a cold water tap LASTS 2X LONGER: Patented DIAMOND Seal Technology reduces leak points and lasts twice as long as the industry standard—ensuring leak-free operation for the life of the kitchen sink faucet CORROSION-RESISTANT FINISH: Our Brilliance finishes are intentionally engineered for durability and tested for corrosion resistance to at least 2 times industry standards SINGLE HOLE INSTALLATION: Fits 1-hole installations. Gasket seal helps prevent drips and splashes from leaking under the faucet. LIFETIME LIMITED WARRANTY: You can install with confidence, knowing all Delta beverage faucets are backed by our warranty