1、Easy To Read: This air compressor replacement pressure regulator comes with a 0 to 1 MPa pressure gauge that makes adjusting the pressure value a breeze. 2、Knob Adjustment: This air compressor regulator has a plastic adjustment knob for sleek flow settings. The knob has a locking feature that prevents it from turning when the knob is pressed. 3、Accurate Measurement: This air gauge regulator is highly accurate, which can provide accurate gas flow regulation and accurate measurement of gas. 4、Easy Installation: This air compressor pressure regulator has 3 holes, there are two 1/4 inch NPT holes and one gauge port 1/8 inch NPT, it is very easy to install. 5、Wide Application: This air compressor replacement pressure regulator has a wide range of applications and can be used in power, energy and coal mining industries.