Propane Tank Spare Tank Solid Brass Adapter 1LB Universal Mini Disposable Filling Small Bottle Feature:1. Easy Filling: Propane Tank Spare Adapter fits all 1lb propane BBQ gas cylinders and cartridges easily and quickly, useful and practical2. For Camping & Cooking: The mini propane filling adapter is great for camping, heating needs, outdoor cooking and more, it brings great convenience3. Sturdy and Durable: Made of excellent brass material to ensure long life and durability of the product with continued use4. Easy and convenient to install: There are no extra tools, easy to install, with hand and handle for tightening5. Corrosion-resistant Brass: Well-made, good quality, solid brass construction makes the adapter corrosion-resistant and safe, stable and reliableSpecification:Item Type: Propane Reserve Tank AdapterMaterial: BrassList Packing:1 x Propane Tank Spare AdapterNote:For maximum filling, place the gas cylinder in the refrigerator for 30 minutes before filling. Usage:1. Place an empty 1 pound cylinder in the refrigerator for a few hours.2. Connect the coupler to the 5 lb to 50 lb propane tank.3. Attach 1 lb of water tank (freezer only) to the adapter.4. Take a large water tank, turn it upside down and place it firmly in the corner of the picnic table.5. Open the propane valve and close it when the liquid propane stops flowing.6. Turn everything upside down and remove the 1 lb.7 cylinder. Repeat as needed.