Lumicoat Finishes easily wipe clean and are guaranteed to resist mineral buildup and hard water stains on the products most commonly touched areas 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 (RP101575PCPR) may be ordered separately for 3-hole, 4-inch installations Optional red/blue temperature indicator ring included Drain assembly sold separately Metal push pop-up drain (RP101632PC) or push pop-up drain with overflow holes (RP101630PC) may be purchased separately