Usage Tips:[Easy Filling] The 90-degree elbow design makes it easier for gas to flow to the small cylinders. Simply attach to your large tank and your 16oz tanks for refilling in 1 minute.<br> [Upgraded Design] Featured with a propane ON-Off control valve, prevents gas leaks when connecting gas cylinders. You can easily control the refilling process with safe.<br> [High Quality] Made of solid brass, rust-free and very durable for long time use. Leakage-free valve to assure your safety.<br> [Quick Monitoring] Quickly check the remaining gas of your large tank to avoid the inconvenience caused by insufficient gas during the filling process.<br> [Application] QCC1 propane refill elbow Adapter is used for filling small propane tanks from large tanks. Perfect for BBQ, camping party, heating needs and outdoor cookout.<br> size: 14cm<br> Material: brass<br> colour: black+brass<br> Package Contents:<br> 1 x Propane Refill Adapter<br> Only the above package content, other products are not included.<br> Note: Light shooting 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.