Hydraulics, Pneumatics & Plumbing By HZ-MONSTAR

• Air Evacuation Valve: Brass quick coupler adapter 1/4 inch male and female sae flare is made of the solid brass, which can play a better vacuum effect and provide help for refrigerant filling and maintenance. And it is suitable for most hvac systems.
• 5Pcs Service / Access Valves: Hvac schrader valve r22 with a service / access valves / schrader valve, or american valve that is threaded into the steam. The caps are made of copper, they are provided with core remover and have an inside rubber o-ring, 100% tested before shipping.
• 1pc Valve Stem Core Remover: Schrader valve stem core remover is used for removal & insertion of valve cores, suitable for standard schrader valve cores. Including cars, trucks, motorcycles, atv, lawn mower, etc. As well as air conditioning units.
• Refrigerant Quick Coupler Adapter: 1/4 inch male and female sae flare brass quick coupler adapter is made of solid brass, which are more durable, can effectively avoid leakage when you using it.
• Service: If you have any questions, please send a mail by Amazon to us, we will answer your questions within 24 hours. We are always here to provide you with 100% satisfied after-sale service.