Precisions manufacturing processes ensuring tight connection between joints, potential air leaks, and improve overall systems Suitable for pipeline systems that require of reverse pressure, such as air conditioning or water equipment, to ensuring long term stable operate of the equipment Brass combined with provides excellent resistance and wear resistance, extending the product ' s service life Suitable for use in humid or environments The single way valves design ensuring that the airflows passes through in single direction, avoiding backflow problems and improving systems The threaded straight through structure design allows for easy installation without the need for complex tools, Manufacturer: LiRRvb