GUARANTEED QUALITY: Quality is our top priority, so all our kitchen sink faucets are tested and certified, meeting or exceeding industry codes and standards SINGLE HOLE INSTALLATION: Fits 1 or 3-hole 8 in. center installations. Purchase optional deck plate RP100845 separately for 3-hole installations. Gasket seal helps prevent drips and splashes from leaking under the kitchen sink faucet POWERFUL CLEANING SPRAY: ProClean Kitchen Spray wand provides a powerful, wide fan spray that helps remove baked on messes and sprays down your sink faster as the wide stream covers more surface area 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 kitchen 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 kitchen faucets are backed by Delta Faucet's Lifetime Limited Warranty