Features: For use in adding R134A refrigerant or additives to the vehicle. Built-in safety valve for accidental venting of refrigerant. Checks the low side pressure for the exact filling of your air conditioner. Easy to use and install. Stable and reliable Specifications: Total Length: 400mm Gauge: 70mm Fitting: 1/2 Inches ACME Package included 1 x R134A Conditioning Hose .
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