?Universal Connection?: Propane hose extension device is suitable for all QCC1 / Type 1 propane tank connections ?Material Upgrade?: The propane tank extension hose is made of high-quality rubber, has higher wear resistance and corrosion resistance, and is equipped with a propane meter, so you can read the dial on the meter without moving ?Sturdy and Durable?]: The POL connection is made of 100% brass material, and there is a rubber O-ring inside to make the hose and the grill more tightly connected ?Safe and Reliable? : Built-in leak detector can limit the flow to protect your safety in case of hose or grill failure ?Scope of Application?: Fits most gas grill, portable generator, heater, fire pit, lp generator, lantern, two burner camping stove, side burner, and used for most low pressure gas propane application Product Description Material Stainless Steel Stainless Steel Stainless Steel Rubber Length 5 Feet 5 Feet 5 Feet 5 Feet