High-quality material – The air compressor regulator is made of high-quality aluminum alloy and plastic. Small size, light weight, easy installation and maintenance. Pressure adjustment range: 7-120 psi. Maximum Regulator Pressure: 135 psi. Size - Regulator inlet and outlet port size: 1/4 BSP, the air regulator can filter small particles, keep the air clean. Function - The function of air pressure regulator is to filter moisture and oil in the air, so that the automatic mechanical equipment is not corroded. If the output pressure is higher than the set pressure, the relief pressure from the atmosphere maintains a stable output. Delivered Quantity: 1 piece