Malida Reverse Osmosis Water Filter Standard Faucet, Silver non air gap faucet Uses 1/4 inch Supply Tube P135 This faucet is only one hose connection, Please check before buying the faucet can connected to your drinking water filtration system.Ideal upgrade for undercounter water filters and reverse osmosis systems. 360 degree swing spout and single handle control, easy to adjust the water.Standard non air gap faucet,Brushed nickel finished & solid stainless steel construction, ensuring quality and longevity. connected with 1/4 drinking water supply tube ( included) EASY TO INSTALLATION: Mainly install for drinking water. Fits all under counter water filter systems sink faucet