Functional Design with Safety Features: Equipped with a night-vision propane tank pressure gauge and an ON/OFF valve, our adapter allows for precise gas level detection at any time of day without the need to shake the tank. This feature enhances safety by allowing immediate cessation of refueling. Easy Installation and Versatile Use: Measuring 4 feet in length with a QCC1/Type1 connector and a female disposable cylinder thread, this hose connects a 1LB gas cylinder to a larger propane tank. Ideal for optimal performance in various settings, including camping and outdoor cooking. Superior Construction: Crafted from 100% solid brass, our propane adapter excels in durability and safety. It is designed to resist aging, , and heat, maintaining airtightness and flexibility to safety and during the refueling process. Enhanced Refueling Convenience: This upgraded 1 lb propane refill adapter streamlines your refueling process with rubber hose, night-vision pressure gauge, and an ON/OFF valve. It ensures easy monitoring of gas levels and leak detection, and includes a 1 lb propane bottle cap for added convenience. Broad Compatibility and Reliable Support: Compatible with portable grills, camping stoves, and heaters, this propane refill adapter is perfect for outdoor activities like camping and tailgating. For any issues, our customer support is readily available to assist you promptly., Manufacturer: Littimoon