Aquaterior Single Hole Bathroom Faucet in matte black finish features cylindric shape, minimalist design for a sleek look Made of brass body with oil rubbed bronze finish for corrosion resistance, ceramic disc cartridge for leak prevention Adjustable Flow Rate & Water Temperature - Single lever handle for easy and convenient control of water volume and temperature Easy DIY Installation - Includes square nuts for easy manual installation CUPC, NSF, CEC certification and 5-year warranty brand service