A. Standard interface: 1/4-inch RV Propane Quick Connect Hose - Suitable for most RV propane interfaces. 1/4-inch Quick Key Connect Plug x 3/8-inch Female Flare for most propane equipment. (Refer to the model table below) B. 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, which is more user-friendly in use, Enjoy convenient life! C. Safe and durable: made of reinforcing rubber and brass. ensuring you can use it safely and lastingly! D. Use Right Out of Box: Low-pressure quick connect hoses are used out of box. 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! E. Colour: Black F. Material: Metal+Plastic G. 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. H. 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.