R410a R22 Refrigeration Tool Air conditioning Safety Valve Adapter Fitting 1/4" 5/16" Inch Male/Famale Charging Hose Valve

High-concerned chemical : None Actuator Mode : Without Manual And Instruction Structure : control Material : Brass Temperature of Media : Normal Temperature Power : aa Standard or Nonstandard : Standard Pressure : Low Pressure Power Source : Ac Origin : Mainland China Certification : NONE