HS Handy Airlock x 10

Handcraft Supples Handy Airlocks for any type of fermentation. Will fit into a bored bung or grommet with an airtight seal. Half fill with steriliser solution or boiled and cooled water before fitting to the fermenter. The cap prevents dust or other unwanted materials entering the airlock or fermenter. This item contains 10 airlocks.