Brass Flare Plug, 1/4" Flare Female Flare Tube Fitting Nut Connector Adapter for HVAC Air Conditioner, Pack of 3

Good for extending the brass tube coupler. Connect these nuts to both ends of brass tube couplers. Widely used to connect air conditioning pipes, like HVAC air conditioning appliances, refrigeration or hydraulic applications, etc. Box contents: 3 x copper coupling connectors; Thread size: 1/4 inch flare; Length: 13.5 mm/0.53 inches; Internal diameter: 6.6 mm/0.26 inches; Hex Width: 16.5 mm/0.65 inches. Made of brass with good stable performance and long service life. Easy and quick to connect, it is advisable to tighten it with a key. Replaces the old coupling fitting, easy installation. Please confirm the thread size before ordering.