Delta Signature Single-Handle Kitchen Pull-Out Faucet, Stainless 470-SS-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) EASY INSTALLATION. Designed to fit single-hole or 3-hole, 8-in. configurations. Everything you need is together in one box, including an optional deck plate for 3-hole installation and InnoFlex PEX supply lines that are integrated into the faucet for one less leak point EASY TO CLEAN. Delta kitchen faucets with Touch-Clean spray holes allow you to quickly and easily wipe away calcium and lime build-up with a touch of a finger, so no need to soak or use chemical cleaners COMPLETE FLEXIBILITY. The pull out design swivels 120 degrees with a 20-in. retractable hose for added convenience during everyday kitchen tasks, while the dual function sprayer easily toggles between spray and stream LIFETIME LIMITED WARRANTY. You can install with confidence, knowing this kitchen faucet is backed by Delta Faucet's Lifetime Limited Warranty