Double Valve Pressure Gauge Car Air Conditioning Refrigerant Seal Rings Diagnostic Repairing Tool Kit Long Use

With built-in safety valve to prevent accidental venting of refrigerant. This refrigerant recharge kit is made of corrosion-resistant metal, the hose quality rubber material, high pressure resistance,reliable and in use. Used to check low side pressure for accurate fill of your air conditioner. factory tested, guarantee excellent working performance. for car air-conditioning to add refrigerant.