AC Manifold Gauge Set For R134a R22 R407C R404A 3 Way Automotive AC Gauge Set With Antishock Gauges Hoses Couplers Adapter ,Portable

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.