Working medium: Air Adapter diameter: PT 1/4" Pressure Gauge Range: 0-1MPa (0-150psi) Size: 87 x 75 x 50 mm / 3.5" x 3" x 2" (L*H*W) Weight: 192g Compressed air pressure regulator with gauge and installing bracket, plastic and metal construction, black red in color. Air source treatment pneumatic regulator, features 0.5-0.8Kgf/cm2 adjustable pressure range, 9.5 kgf/cm2 max pressure. Helps regulate the pressure of air which comes from air pressure machine and provides pressure gauge clean and good air. Comes with a easy reading dual scale dial pressure gauge, the cap with a push lock is convenient for adjust the pressure.