Double Bubble Airlock


  • 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

Maximum Temperature: 60 °C (140 °F).

Note: we do not sell our products directly.

If your local retailer does not carry our products, feel free to e-mail us so we can direct you to the nearest retailer.
If you are a retailer, please let your preferred wholesaler know about your needs.

Some of our products may contain harmful substances according to the state of California. For more information please contact us for each specific product.