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. 3-hole 4 Inch installation Metal pop-up Clear knob handle WaterSense labeled faucet uses at least 20% less water than the industry standard without compromising performance Single Handle Centerset Bathroom Faucet