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.
  • VERY EASY TO CLEAN.
  • 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.