Delta faucets with DIAMOND seal technology perform like new for life with a patented design which reduces leak points, is less hassle to install and lasts twice as long as the industry standard.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 standardEverything you need is together in one convenient box, including integrated InnoFlex PEX supply linesFour-hole 8 in installationStandard spout swivels 180 deg