COMPATIBILITY: Pairs RO systems, filtered water systems, chillers, or as a cold water tap GUARANTEED QUALITY: Quality is our top priority, so all our beverage faucets are tested and certified, meeting or exceeding industry codes and standards SINGLE HOLE INSTALLATION: Fits 1-hole installations. Gasket seal helps prevent drips and splashes from leaking under the faucet. 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 TESTED AND CERTIFIED: All Delta beverage faucet finishes are third-party certified and vigorously tested under extreme conditions to ensure years of dependable use without cracking, peeling, chipping, blistering or changing color over time You can install with confidence, knowing Delta beverage faucets are backed by Delta Faucet's Lifetime Limited Warranty