4pcs Brass Tube Coupler 5/16" Flare Male Connector Pipe Fitting Union Adapter

What is this?
Air conditioning and refrigeration accessories plumbing adapter, widely used to connect air conditioner pipelines, such as HVAC air-conditioning devices, refrigeration or hydraulic applications, etc.

What will I get?
Package Content: 4pcs x Copper Coupling Fitting; Thread Size: M5/16" Flare; Length: 35mm / 1.38 inch; Hex Width: 14mm / 0.55 inch

Are there any advantages of the product?
Made of brass material with good stable performance and long service life. Easy and quick to connect, no welding, suggest to tight it with a wrench.

How to use it?
Replace the old coupling fitting, easy installation.

What should I notice?
Please confirm the thread size before ordering.