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Buy 5 for $0.78 each and save 20%
Twin bubble airlock. Fits all standard rubber stoppers and bungs.
- 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