Delta Faucet Arzo Single-Handle Bathroom Faucet with Metal Drain Assembly, Stainless 586LF-SSMPU 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 single-hole or 3-hole, 4-in. configurations. An optional deck plate is conveniently included for 3-hole installation DRAIN ASSEMBLY INCLUDED. A coordinating metal 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)