90 Degrees Design: Propane elbow refill adapter with ON/OFF control valve is easy to install and requires no tools. Features a hand-wheel grip for tightening, allowing you to easily connect your large cylinder to a 1LB propane tank. Additional 1 LB Propane Bottle Cap: The 1 LB propane bottle cap is suitable for camping stoves, home applications, barbecues, propane heaters, and other equipment that use 1 lb propane tanks. No need to purchase a separate cap. How to Refill the Gas: Refill the 1LB camping bottle with propane gas using a 90-degree propane filling adapter. Turn the large propane tank upside down and place it securely to allow liquid to flow out. Upgraded With Gauge For Accurate Reading: Specially designed with a side-mounted gauge that connects to a 1lb propane tank, this adapter allows accurate monitoring of gas volume. Features a luminous pointer and gas level indicator for easy reading, even in low light. Attention: Due to the flammable nature of propane, always refill your 1 lb cylinder outdoors and keep away from open flames and ignition sources for safety. Color: As shown Material: Brass Package Contents: 1 x adapter Note: Only the items listed above are included. Other products are not included. Lighting and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.