Material: the Main Body is Solid Brass, Which Can Effectively Prevent Rust and Corrosion and Ensure Long-Term Use, wear-resistant（tested 500,000 times）, long life. Healthy and Non-toxic: environmentally friendly materials; high-performance ceramic valve cores reduce chlorine, scale and impurities in water. Easy to Install: :All mounting hardware and hot/cold waterlines are included.Installation guide is included in the package box.Easy to install by yourself,no need to hire a plumber. Easy to Maintenance: :Superior corrosion rust-resistant finish prevent dirty from sticking to tap surface, clean tap by cloth is enough in Daily Use. Air injection technology:: Increase the oxygen level and water pressure, save up to 30% water and simulate the natural rain to allow you natural contact with the water.