LIFETIME LIMITED WARRANTY: You can install with confidence, knowing this bathroom sink faucet is backed by Delta Faucet's Lifetime Limited Warranty INSTALLATION: Designed to fit single-hole or 3-hole, 4-in. bathroom sink configurations. An optional deck plate is conveniently included for 3-hole installation DRAIN ASSEMBLY INCLUDED: A coordinating matte black pop-up drain assembly is conveniently included in the box WORRY-FREE DRAIN CATCH: Worry-Free Drain Catch (included) prevents jewelry or other valuables from going down the drain WATERSENSE LABELED: WaterSense labeled Delta bathroom faucets use at least 20% less water than the industry standard—saving you money without compromising performance