Propane Cap
thingiverse
Here's a Solution for Securing Typical 1lb Throw-Away/Disposable Propane/MAPP Gas Tanks with a Loose Valve. This Cap Prevents Partially Used Tanks from Slow Leaks when the Valve Sticks Open. Simply Attach a Rubber Gasket to Ensure a Secure Seal. The Cap is Designed for 1" x 20TPI Threaded Tanks and Fits Standard MAPP/Propane Cylinders.
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