[Improve Safety] Simplify the process of adding refrigerant to your home air conditioning system and avoid freezing your hands with this air conditioner liquid-filled safety valve. [Specifications] This air conditioner filling safety valve, left hand 1/4" male thread (R22) to bottom 5/16"/1/4" female thread (R410)/(R22), provides a good fit for your filling system and provides reliable performance. [Material] This safety valve is made of durable brass material, which has excellent corrosion resistance and long-lasting durability. [Easy to use] Just plug in the end of the hose, the top will rotate, more convenient to use, easy to change the operation, and reduce the loss of coolant during maintenance. [Performance] With the liquid safety valve, you do.
eBay