Double layer filtration device is set up with internal filter for filtering oil,sewage and impurities and odors. The 8mm quick disconnect designs allows for easy installation or removal of the filter. Suitable for various industry and applications including air compressors,water pumps,hydraulic systems,and more. The filter effectively separates water and oil from the air,ensuring and dry output,and damage to equipment and machinery. Equipped with a valves that automatically releases excessive pressure,safeguarding both the filter and the connecting devices.