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
Low Side Manual R134a Quick Coupler Patented manual couplers adjust easily to R134a service ports with varying dimensions. All metal construction for extra durability. 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 recommendations for containment of refrigerant. Color coded. 1/4 in. FL-M x 13mm quick coupler.