Mastercool 82934-E Service Coupler Low Side Blue R134a Manual 1/4 Fl-m X 13mm.

The Mastercool Service Coupler effortlessly connects and services refrigerant systems. Designed for R134a systems, it features a manual 1/4 Fl-m x 13mm connection for ease of use. With its high-quality construction, you can always trust this coupler for accurate and efficient service.

Patented manual couplers adjust easily to R134a service ports with varying dimensions—all metal construction for extra durability. A patented, spring-loaded depressor will not damage service valves. Can be removed from service ports regardless of knob position without losing refrigerant.

• Meets SAE, UL and EPA requirements for containment of refrigerant
• Colour-coded.