1 Anti-scratch Film : The surface has a protective film , the scale is clearly visible , never fade 2 Compact Structure : The whole is compact and perfect , and the sealing is good 3 Large Handle Switch : design , more labor-saving 4 Premium The body is zinc alloy , the inlet pipe has sintered brass filter , oxygen cover , outlet nozzle , zinc alloy casting , more firm and 5 Product Use : The pressure reducing is an essential accessory of the pneumatic regulating The main function is to reduce the pressure of the origin and stabilize it to a fixed value so that the regulating can obtain stable air source power for control, Manufacturer: Watreketal