Delta Faucet Mateo Single-Handle Kitchen Sink Faucet with Pull Down Sprayer, Shield Spray Technology and Magnetic Docking Spray Head, Arctic Stainless 9183-AR-DST LASTS 2X LONGER. Patented DIAMOND Seal Technology reduces leak points and lasts twice as long as the industry standardensuring leak-free operation for the life of the kitchen faucet (Industry standard is based on ASME A112.18.1 of 500,000 cycles) MAGNETIC DOCKING. MagnaTite Docking uses a powerful magnet to snap your kitchen sprayer into place so it stays docked and doesnt droop over time like other kitchen faucets POWERFUL SPRAY. ShieldSpray Technology cuts through stubborn messes with a powerful stream of water inside a protective sphere that contains the splatter, so you can spend less time soaking and scrubbing with an average of 90% less splatter than a standard spray EASY INSTALLATION. Designed to fit single-hole or 3-hole, 6-8-in. configurations. For 3-hole installation, purchase deck plate RP81914AR separately. InnoFlex PEX supply lines are integrated into the faucet for one less leak point and are conveniently included in the box LIFETIME LIMITED WARRANTY. You can install with confidence, knowing this kitchen faucet is backed by Delta Faucet's Lifetime Limited Warranty