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 requirements for containment of refrigerant
Color coded
WARNING: This product can expose you to chemicals including LEAD AND LEAD COMPOUNDS, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.