【FUNCTION】-TUXING pcp air compressor's release valve 【HIGH QUALITY】-Use in the pcp air compressor .Stable performance, long service life. 【APPLICATION】-Applicable for most of piston type air compressors.Make sure that you pick up the right size and use it peoperly.No complicated installation steps, you can easily use it to complete your work. 【MATERIAL】-Made of high quality stainless steel, corrosion resisting and anti-aging. 【EASY to USE 】-Compact structure, easy to install and use.The breathing rod can replace the old and damaged parts for efficient work.