Mastercool 82934-E Low-Side Manual R134a 1/4″ FL-M x 13mm Quick Coupler
- Adjusts easily to R134a service ports with varying dimensions
- All metal construction for extra durability
- Patented spring loaded depressor will not damaged service valves
- Can be removed from service ports regardless of knob position without losing refrigerant
- Meets SAE, UL and EPA recommendations for containment of refrigerant
