Description
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).
