Leakage Detection for Safety This gas tank adapter includes a leakage detection function that automatically restricts gas flow if a leak is detected, helping reduce risk during use. 3 Level Fuel Monitoring Monitor fuel levels without removing the tank. A color coded dial shows three levels liquefied gas, low liquefied gas, and refill so you know when to refuel. Universal Compatibility Designed to adapt to most POL type gas tanks from 20 lb to 40 lb, ensuring seamless integration with your existing setup. Compact and Portable Small and lightweight for easy carrying and storage. Keeps your gas setup organized and ready when you need it. Use scenarios Camping or outdoor grilling where you want to monitor gas and maintain safety during operation. RVs or camping trailers that use POL tanks, enabling safe operation and straightforward refueling. Portable stoves or outdoor heaters that connect to 20 40 lb POL tanks for reliable and convenient use.