- High Side Manual R134a M12 x 1.75 x 16mm Quick Service Coupler
The Mastercool 82834-J High Side Manual Quick Service Coupler features patented manual couplers that adjust easily to R-134A service ports with varying dimensions. It is made of an all metal construction for extra durability and the patented, spring loaded depressor prevents damage of service valves. The coupler can be removed from service ports regardless of knob position without losing refrigerant. It convenes SAE, UL and EPA recommendations for containment of refrigerant. This coupler is color coded and is backed by a 1 year warranty on material as well as workmanship.