Click to expand Tap to zoom Senior Airlock SKU 9DF3D2 Original price $5.95 - Original price $5.95 Original price $5.95 $5.95 - $5.95 Current price $5.95 | / Quantity Add to cart 2 piece airlock which comes apart for easy cleaning. Similar to the vintage airlock but instead uses 2 moving pieces instead of one immovable piece. Allows fermentation gasses to escape without allowing deleterious micro organisms into the brew.