1 PURPOSE: Exhaust excess air inside the refrigerant meter tube. By pressing, excess air in tube is exhausted to achieve a better vacuum and fluoride effect. 2 EASY TO INSTALL: Suitable for 1/4SAE interface tools, good sealing performance, widely used for R22, R12, R134 and other air conditioning manifolds. 3 SAFE AND RELIABLE: Refrigerant charging valve, exquisite workmanship, safe and reliable, suitable for refrigerant filling and charging. 4 BRASS MATERIAL: The vent valve is made of high quality brass material, which has high strength, durability, wear resistance and long term use. 5 EASY TO INSTALL: Simple installation, just install it at the end of the charging hose to minimize the loss of refrigerant during maintenance.
What's in the box
1 x Exhaust Valve Adapter
