38mm Screw Cap

Screw on to the gallon jar for perfect sealing and never pops ups.
  • Replaces the bung for a 1 Gallon Jar.
  • Cap with molded hole to accommodate both our Double Bubble Airlock and Three (3) Piece Fermentation Lock.
  • BPA Free.

Maximum Temperature: 75 °C (167 °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.