Double Bubble / S-Type Airlock
Allows your fermentation to vent without letting contaminants in. Works for both winemaking and home brewing.
- Made of soft plastic.
- Comes assembled and individually packaged in a plastic bag.
- Snap on cap, makes it more difficult to lose.
- Cap with holes on top, making it easy to breathe.
- Small chambers allow you to check for pressure differences between the fermenter and outside.
- Fits the 38 mm screw cap.
- Rounded stem at the bottom, making a better seal when working with rubber bung.
- BPA Free
- Rubber Bung Sold Seperately