【Precise Pressure Regulator】: The precise plug-in air pressure regulator effectively and precisely filters moisture and fine particles to achieve clean and dry air, preventing damage to pneumatic tools and equipment. 【Easy to use】: The oil-water separator can precisely control and provide clean and dry air. Using the adjustable pressure regulator, pull up the black knob on the top and turn the regulator to adjust the required pressure. 【High quality materials】: Copper filter material, fine filtration , longer life. Capacity shell made of polymer material, good sealing, impervious to water and air leakage. Always maintain a constant outlet pressure, regardless of the size of the inlet pressure and flow fluctuations. 【Multi-purpose】: Air compressor, pneumatic tools, connection installation of gas, effective moisture filtration. It can be used in construction machinery, teaching test, equipment, machinery manufacturing, etc. AFR-2000 Air Filter Pressure Regulator Product Description