What's in the box:

10PCS Airlock Grommet Silicone O Ring Sealing Washers Grommet for Airlock On Homebrew Beer Mead Wine Fermenter Lid (Standard)

Features:
This Airlock Grommet is made of premium quality plastic material, durable and long lasting.
10pcs grommets for 10L, 15L, 25L 30L and 60L of homebrew digester.
This will help extend the life of yeast, which is a practical tool for brewing beer.
Use with airlock for fermentation, perfect for securing airlock during fermentation.
Airlock ring for airlock on homebrew beer fermenter beer wine lid.

Specifications:
Condition: 100% Brand New
Material: Plastic
Use: Airlock Grommet
Diameter: Approx. 2cm / 0.8in
Weight: Approx. 20g / 0.7 oz
Package size: 9.00*8.00*3.00cm

Package List:
10 x Airlock Grommet