Air Boost Valve :SMC type pneumatic boost valve can increase the air pressure up to 2 times ,the full pneumatic device does not need power and has less heat . Easy Operation :The pressure can be set by gently turning the top knob ,easy to operate ,equipped with a pressure gauge to achieve accurate pressure regulation . Integrated Design :The integrated design of pipe and cylinder barrel can mitigate the condensation caused by cooling effect during exhaust expansion ,with good sealing . Muffler and Filter :Muffler is equipped to greatly reduce the working noise .Filter screen is built in the air inlet to prevent poor operation caused by foreign matters . Metal Structure :Thickened metal valve body design ,corrosion resistance and wear resistance ,greatly extending the service life of pneumatic boost valve ., Manufacturer: Jeanoko