Mountain Plumbing Faucet Air Gap Unit for MT1823-NL, MT1833-NL & MT1843-NL

The Mountain Plumbing AG1800 Faucet Air Gap Unit adds a clean, finished look to reverse osmosis faucet installations while helping support code-compliant drainage setups. Designed for select Little Gourmet® beverage faucets, this decorative air gap is available in a wide range of premium finishes to complement modern kitchen designs. Requires two mounting holes for installation. Features: Prevents backflow in reverse osmosis systems Check with RO system manufacturer to see if air gap is required Contemporary styling Fits MT18XX-NL faucets as well as MT620-NL, MT624-NL, and MT630-NL