【TIPS】Leakage Test is Required before Use. Test with Soap Water on all Joints. If You See Any Bubble or Even Hear Any Gas Leakage, Do Not Use It. If You Don't Know How to Do the Test Exactly, You Can Search For Such Videos on Internet. 【STURDY CONSTRUCTION 】with a brass fitting and a Sturdy rubber hose, The 1 to 20lb adapter ensures long term usage with consistent output / efficiency 【PORTABLE APPLIANCE】 A 6-foot Hose and Adapter Connect the Propane Unit to the 20lb Propane Tank tank or lager by connecting this adaptor, Allows connection to more fuel 【MULTI-SUITABILITY】Perfect for for Use With Grills, Stoves, Lanterns, Heaters and more. Great for camping, heating needs or having an outdoor cookout. 【LONG TERM USAGE】Tighten Counterclockwise, Extend the Service Life of the Propane Plant By up to 20 Times Without Refueling, Weight: 0.9479877266 Pounds, Manufacturer: MEROURII