à About this item [High quality materials]: aluminum alloy and high quality plastic. superior, very stable performance and long service life. [Easy to use. Watch]: The gauge shows the air pressure clearly. Check the air pressure at the right angle. a wide range from 0.05MPa to 0.85MPa. [Easy to install]: Haofy pneumatic pressure regulator is easy to install. connection, G1/4 thread. [Application]: Install it in your air supply line and help improve the air conditioning. provide a relatively stable air source. Product Description Color: Black Silver Features: Materials: aluminum alloy and polycarbonate. Main color: black. Type: AR2000-02. Nominal flow rate: 550. Connection thread: G1/4. Ambient temperature: 5 ~ 60 ℃. < p>Adjustable pressure range: 0.05 ~ 0.85 MPa. Max. working pressure: 1.0 MPa. Water resistance: 1.0 MPa. Pressure: 1.5 MPa. Pressure gauge diameter: approx. 4.1 cm. Weight: approx. 264 g. Contents: 1 air pressure regulator.