Vacuum plating: vacuum ion plating increases the adhesion of the coating, effectively prevents the coating from blistering, peeling, etc., the thickening of the plating layer is more effective in preventing acid corrosion, and the surface of the copper material is shiny like new and does not fade Water-saving bubbler: water-saving bubbler, high-quality bubbler, multi-layered filter screen, water splash reduction water, large and soft water, comfortable hand feeling, efficient water saving without waste. Brass main body: real material, high quality gravity cast brass, no rust, no discoloration