Standard interface: 1/4 inch RV propane quick connect hose compatible with most RV propane systems. Features a 1/4 inch quick connect plug and a 3/8 inch female flare for connection to various propane appliances. Designed to upgrade gas grills, heaters, fire pits, LP generators, lanterns, camping stoves, side burners, and other low-pressure propane applications with quick-connect convenience. Includes a built-in shut-off valve for added safety and ease of use. Constructed with reinforced rubber and high-quality brass for durability and reliable performance. Pre-assembled and ready for installation; simply secure the connector with a wrench during first use. Hose length: 4 meters. Color: Black. Materials: Metal and plastic. Package includes: 1 x hose, 1 x connector, 1 x thread seal tape (color may vary). Note: Only the items listed are included. Slight color variations may occur due to lighting and display differences. Measurement tolerance: +/- 1-3 cm.