1 Hole Easy Installation,Single handle allows for both on/off activation and temperature adjusting. Lead-free Brass Construction and 304 Stainless Steel Spout,Up to CUPC & NSF standards. Superior corrosion & rust-resistant finish,at least 5 years guaranty for no tarnish and no peeling. 360 Degree Rotating Spout, Quick Connect Hoses, Ceramic cartridge - 500,000 cycle endurance test passed. Adapted to 3/8-Inch water supply connection，and additional 1/2 Inch adapter for 1/2 Inch water supply connection.