ITEM NAME:Threaded Can Tap Refrigerant Valve Bottle Opener For R134A/R12 Refrigerant Z8I3 Threaded Can Tap Refrigerant Valve Bottle Opener For R134A/R12 Refrigerant Z8I3 Can tap valve/Gate valve/Tap shut off valve/Check valve Screw on design for R134a, ACME male can taps. Gasket assures leak proof operation for long life Neoprene gasket assures leak-proof operation, Durability air.Can tap valve/Gate valve/Tap shut off valve/Check valve. 1 Bottle Opener. for long life. Standard or Nonstandard: Standard. Pressure: Low pressure.