Quick Coupler Connector Adapters Air Conditioning R1234yf ...
Quick Coupler Connector Adapters Air Conditioning R1234yf Refrigerant. Blue and red quick connector valves for R-1234yf refrigerant. With help of those adapters you will be able to use your standard R-134a manifold gauge set and vacuum pump to refill with the new type of R-1234yf refrigerant.
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