Mastercool 1/4? FL-M x 13 mm Low Side Manual R134a Safety Lock Coupler (82934-SL-E)

1/4? FL-M x 13 mm Low Side Manual R134a Safety Lock CouplerDesigned for use on all R134a systemsThis unique design allows the technician to work on the system without the worry of accidentally disconnecting the hose regardless of movementOnce the coupler is connected to the system, the safety-lock sleeve slides into place guaranteeing that the coupler cannot be taken off without unscrewing the manual valveMeets all SAE, UL and EPA requirements for containment of refrigerantColour coded