Works with RO systems, filtered water systems, or as a cold water tap Spout swings 360° Single lever handle design Air gap included with 1/4 in. tube for RO system and 3/8 in. tube for drain Mounting wrench to assist in tightening mounting nut securely Integrated supply tube with 3/8 in. compression fitting 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 Recommend minimum 2-1/2 in. clearance to backsplash