Refrigerant Charging and Safety Valve Adapter for R32 R410A Air Conditioning Fluid

1. Diameter: Male: 5/16"; Female: 5/16" (approx.)

2. High-quality design; the top rotation is easy to use.

3. Good CNC machine tool processing; multiple connection points ensure leak-proof operation.

4. Easy to change operation regardless of the safety valve's position.

5. The movable thimble can precisely control the high and low pressure air conditioning valve needle.