Oxygen Regulator Kit w/ .5 Stone Wort Aeration, Fermentation, Homebrewing & Beer

This is the reverse threaded oxygen valve you need to use the bernzomatic red oxygen cylinders available at home depot or the like.

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Oxygen Regulator Kit w/ .5 Stone Wort Aeration, Fermentation, Homebrewing & Beer

See an older more detailed post here:
http://goldfishgarage.blogspot.com/2010/12/home-depot-disposable-oxygen.html