300psi air hose menards

Reusing a Disposable Helium Tank - Instructables.com

2008-1-6Drill out the valve with a 3/16 bit. A bunch of black plastic will come out. Keep drilling until it bottoms out. As far as I can tell, the plastic is a check valve that prevents refilling.

Reusing a Disposable Helium Tank - Instructables.com

2008-1-6Drill out the valve with a 3/16 bit. A bunch of black plastic will come out. Keep drilling until it bottoms out. As far as I can tell, the plastic is a check valve that prevents refilling.

Reusing a Disposable Helium Tank - Instructables.com

2008-1-6Drill out the valve with a 3/16 bit. A bunch of black plastic will come out. Keep drilling until it bottoms out. As far as I can tell, the plastic is a check valve that prevents refilling.

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