Refrigerant Manifold Gauge Set Air Conditioning Tools With Hose And Hook For For R12 R22 R404A R134A For Air ,Easy to Use

With builtin safety valve to prevent accidental venting of refrigerant This refrigerant recharge kit is made of corrosionresistant metal, the hose rubber material, high pressure resistance,reliable and in use. Used to check low side pressure for accurate fill of your air conditioner. 100% factory tested, guarantee excellent working performance. for car air-conditioning to add refrigerant.