![Airlock 3-Piece](http://phoenixbrewingsupply.com/cdn/shop/products/Airlock_3_Piece_large.jpg?v=1436921645)
Airlock 3-Piece
The 3-Piece Airlock is the best choice for the primary fermenter, since it comes apart for easy cleaning in the event of a blow-off. Fill to the line with boiled water or sanitizer to create a closed fermenting system that allows CO2 to escape, but does not allow air back in to contaminate your beer or wine. Includes body, piston and vented cap.
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