LASTS 2X LONGER: DIAMOND Seal Technology uses a patented design to reduce bathroom faucet leak points and lasts 2X longer than the industry standard A FINISH THAT LASTS: Designed to look like new for life, Delta finishes are durable, long-lasting and guaranteed not to corrode, tarnish or discolor EASY DIY INSTALLATION: Designed to fit 1-hole, 3-hole, or 4-in. configurations. For 3-hole installation, use included deck plate DRAIN ASSEMBLY INCLUDED: A coordinating push pop-up drain assembly is conveniently included in the box LIFETIME LIMITED WARRANTY: You can install with confidence, knowing this Delta bathroom faucet is backed by Delta Faucet's Lifetime Limited Warranty