You can install with confidence, knowing that Delta faucets are backed by our Lifetime Limited Warranty. Delta WaterSense labeled faucets, showers and toilets use at least 20% less water than the industry standard—saving you money without compromising performance. 1 or 3-hole 4 Inch installation Metal pop-up ADA Compliant One or three hole installation - Includes optional 6 1/8 Inch escutcheon for typical 4 Inch centerset installation. Single Handle Bathroom Faucet