Usage Tips:Standard interface: 1 or 4inch RV Propane Quick Connect Hose - Suitable for most RV propane interfaces. 1 or 4inch Quick Key Connect Plug x 3 or 8inch Female Flare for most propane equipment. (Refer to the model table below) Propane Quick Connect Hose: Upgrade most gas grill, heater, fire pit, LP generator, lantern, two burner camping stove, side burner, and most low pressure gas propane application to quick connection. There is a shut-off valve at , which is more user-friendly in use, Enjoy convenient life! Safe and : made of reinforcing rubber and high-quality brass. that you can use it safely and lastingly! Use Right Out of : Low-pressure quick connect hoses are used out of . Just use the wrench to connect the connector when you use it for the first time, and then you can enjoy the convenience of quick connection! Colour: Black Material: MetalandPlastic Package Contents: 1 x hose (4m) 1 x connector 1 x raw material tape (color is not fixed) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.