KleenWater Oil Rubbed Bronze Air Gap Kitchen Drinking Water Faucet, Reverse Osmosis (RO) System Faucet, Euro Style Luxury Faucet Oil Rubbed Bronze Elegant Euro Style Design and Easy Installation Lead Free - Conforms with Federal Reduction of Lead Act 2014 the minimum mounting hole required is 1 1/4" diameter. The maximum hole diameter covered by the escutcheon plate is 1 5/8" Free and Fast Shipping Includes 3/8" Drain Clamp and Drain Tubing