38 mm Screw Cap with Hole

Product Code:1641

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 either S-Shaped or Cylinder Airlocks.

VERY EASY TO CLEAN. BPA Free.

Maximum Temperature: 75 °C (167 °F).