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 Laminar flow lends a beautiful, refined look that complements the design of the faucet Fits single hole installations Optional deck plate (RP101575BL) may be ordered separately for 3-hole, 4-inch installations Knurled handle Optional red/blue temperature indicator ring included Metal push pop-up drain assembly in matching finish (included) is ADA compliant and simple to install, operate and clean Watersense labeled faucet uses at least 20% less water than the industry standard without compromising performance