Mastercool MSC82934-SLE Low-Side Manual R134a Safety Lock Coupler 3/8″ FL-M x 13 mm

Once coupler is connected to system, safety-lock sleeve slides into place guaranteeing that the coupler can’t be taken off without unscrewing manual valve. Meets all SAE, UL & EPA requirements for containment of refrigerant.

• Low-Side Manual R134a Safety Lock Coupler 3/8″ FL-M x 13 mm
• Positive Lock Prevents Coupler from Coming off without First Shutting off Manual Valve
• Manual Valve
• Meets All SAE, UL and EPA Requirements for Containment of Refrigerant