Just half-fill the airlocks with water and you're ready to go. 3 x Bubbler Airlocks which let CO² out, without letting contamination in. The 3 bored Cork Bungs fit Standard Glass Demijohns.
10 x Fermentation Bubbler Airlocks & Bored Rubber Bungs Corks Demijohn Wine Beer
10 x Fermentation Bubbler Six Chamber Airlocks for Home Brewing Fermenting
6 x Fermentation Bubbler Airlocks & Rubber Bungs Corks Demijohn Wine Beer Cider
25 Litre Fermentation Bucket, 2 x 5 Litre Buckets, 3 x Fermentation Airlocks
3 x Bubbler Fermentation Airlocks for Demijohn Bucket Plastic 6 Chamber + Cap
Airlock & Rubber Bung x 2 - Fermentation Bubbler Combo for Demijohn Fermenter
