liyafy 90-120 psi air compressor pressure control switch with pressure regulator gauges relief safety valve fittings set

It can easily adjust the air compressor to control the pressure and is low power consumption. | Easy to install and remove;Quality tested for maximum reliability and high performance in even the toughest environments. | The main function of the valve is to adjust the air compressor to close and start the pressure; Users can adjust according to their actual situation. | Right red is the safety valve. The air regulator on both sides of the copper is an exhaust valve that opens the gas when used. | Dual pressure gauges can display pressure more quickly and conveniently adjust pressure