Delta Faucet Foundations Single-Handle Centerset Bathroom Faucet with Drain Assembly, Stainless B510LF-SSPPU LIFETIME LIMITED WARRANTY. You can install with confidence, knowing this bathroom faucet is backed by Delta Faucet's Lifetime Limited Warranty INSTALLATION. Designed to fit 3-hole, 4-in. centerset configurations DRAIN ASSEMBLY INCLUDED. A coordinating pop-up drain assembly is conveniently included in the box WATERSENSE LABELED. Delta WaterSense labeled bathroom faucets use at least 20% less water than the industry standardsaving you money without compromising performance ADA COMPLIANT. This bathroom sink faucet meets standards set by ADA (Americans with Disabilities Act)