Delta 4453-AR-DST Linden Single-Handle Kitchen Faucet with Matching Side Sprayer, Arctic Stainless 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) EASY INSTALLATION. Designed to fit 2-hole or 4-hole, 8-in. configurations. Everything you need is together in one box, including an optional deck plate for 4-hole installation and InnoFlex PEX supply lines that are integrated into the faucet for one less leak point COMPLETE FLEXIBILITY. The mid-arc design swivels 120 degrees for added convenience during everyday kitchen tasks, while the single-handle lever makes switching from hot to cold water easy SPRAY AWAY MESSES. The powerful side sprayer in a coordinating finish with a retractable hose makes cleaning up kitchen messes easy LIFETIME LIMITED WARRANTY. You can install with confidence, knowing this kitchen faucet is backed by Delta Faucet's Lifetime Limited Warranty