Feature: 【Durable and non-leakage】Built-In Safety Feature Which Restricts Overflow -The adapter automatically cuts off gas flow when pressure is reached. You'll never have to buy another tank a gain - This adapter allows you to refill your 1 lb cylinder tank. 【Overcharge protection】 Built-in safety function can detect the capacity of supplementary gas. Our propane supplementary adapter will automatically cut off the gas flow to prevent the tank from being overfilled. 【Universal type】 Can be used to refill 1 pound cylinders. And the tip of the nose can be connected to a propane tank of 20 to 40 pounds. 【Easy to install】Our adapters are equipped with standard nose and threaded connectors at both ends. Quick connection and installation, no tools required. 【A well-considered protective c.
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