Diamond Seal Technology is less hassle to install and helps your faucet perform like new for life, reducing leak points and lasting twice as long as the industry standard Everything you need is together in one convenient box, including integrated InnoFlex PEX supply lines Fits single hole installations Optional deck plate (RP102057PC) sold separately for 3-hole installations Metal push pop-up drain assembly in matching finish (included) is ADA compliant and simple to install, operate and clean ADA compliant WaterSense labeled faucet uses at least 20% less water than the industry standard without compromising performance High-arc spout swivels 360 degrees 3/8-inch compression fittings Backed by Delta Faucet's Lifetime Limited Warranty