Bin K This Mr. Heater Propane Adapter set is a must-have for outdoor enthusiasts. With a weight of only 1 lb, it is easy to carry and use for refilling 1 lb propane canisters. These adapters are brand new and are perfect for anyone who loves outdoor heating, cooking, and eating. The set includes 2 adapters that are compatible with any propane tank, making it easy to refill your canisters wherever you go. This item is perfect for those who want to avoid buying disposable canisters and contribute to the environment.