Rubber stopper with airlock hole

Rubber bung with airlock hole.
#10

Diameter of approximately 50mm across the top, tapering to a diameter of approximately 41mm at the bottom.

Used with the Carboy – Plastic – 23L, Carboy – Plastic – 11.5L & FerMonster 23L PET Fermenter

Airlocks available:

• Standard Airlock
• Senior Airlock