Barbed oxygen regulator for disposable oxygen bottles. No gauge, knob on top adjusts pressure. Left handed thread. output is a 1/4″ barb.
Properly oxygenating your wort helps promote cell growth and healthy vigorous fermentations.
Also Consider: Oxygen Regulator via MoreBeer
Update: Since this post was published the price, availability or promotion has changed. Check the product page for current description, price and availability. Also: Today’s Deals on Amazon