Commercial-style kitchen faucet with spring + arm to hold the head which can be pulled down to wash large areas. One-handed control valve. Pull to the right to control pressure, push front and back for water temperature. SOLID STAINLESS STEEL faucet made of high quality 304 grade stainless steel. Cartridge Type: KEROX K35A 35mm Certified by Uniform Plumbing Code (cUPC) Recommended faucet hole diameter in countertop or sink to be 1 1/2″ Estimated flow rate of 1.7 gallons per minute assuming flow pressure of 60 PSI.