Parts List: 1×Red Adapter 1×Blue Adapter 2×Gold Threaded Connectors Highlight description: [Scope of Application] This high and low speed AC quick coupler adapter is suitable for refrigerants, A/C manifolds, diagnostic testing, recovery and evacuation [Sealing and Leaf-Proof] The clear high and low side identification prevents errors during use, and the ports are also sealed with high-quality thick rubber O-rings to ensure a complete seal, providing excellent protection against wasteful refrigerant leak [Easy to Close] These 5- and 6-ball quick connectors snap onto coolant ports, seal with an easy-to-grip knurled ring, and open the valve using their top control knob. Closing and disconnecting are equally quick and simple [Reliable Connection] The included flare ensures a reliable connection to 1/4-inch HVAC hoses or adapters, and is removable for easy replacement when needed [Premium Material] Premium threads and materials ensure years of service life, and the aluminum and nickel-plated bronze construction are highly resistant to wear. Note: Be sure to buy genuine refrigerant to avoid adaptation problems, causing water leakage or installation problems Detailed description: Description: This AC quick coupler adapter is suitable for refrigerants, A/C manifolds, diagnostic testing, recovery and evacuation. It is made of copper material, which has long service life. It is quick to connect and disconnect. Feature: Easy to Replace: The AC adapter fitting is removable and easy to replace. It is reliable to connect and disconnect, which is highly resistant to wear. Complete Seal: This AC adapter fitting uses high-quality thick rubber o-rings to ensure a complete seal, which can prevent wasteful refrigerant leaks. Specification: Product Name: AC Quick Coupler Adapter Size: Height 4.5cm Material: Copper Color: Silver Notes: 1.Be sure to buy genuine refrigerant to avoid adaptation problems, causing water leakage or installation problems. 2.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 3.Please allow slight dimension difference due to manual measurement. [Scope of Application] This high and low speed AC quick coupler adapter is suitable for refrigerants, A/C manifolds, diagnostic testing, recovery and evacuation [Sealing and Leaf-Proof] The clear high and low side identification prevents errors during use, and the ports are also sealed with high-quality thick rubber O-rings to ensure a complete seal, providing excellent protection against wasteful refrigerant leak [Easy to Close] These 5- and 6-ball quick connectors snap onto coolant ports, seal with an easy-to-grip knurled ring, and open the valve using their top control knob. Closing and disconnecting are equally quick and simple [Reliable Connection] The included flare ensures a reliable connection to 1/4-inch HVAC hoses or adapters, and is removable for easy replacement when needed [Premium Material] Premium threads and materials ensure years of service life, and the aluminum and nickel-plated bronze construction are highly resistant to wear. Note: Be sure to buy genuine refrigerant to avoid adaptation problems, causing water leakage or installation problems