The Bungs fit Standard Glass Demijohns. Bung Size Just half fill with water and you're good to go.
10 x Fermentation Bubbler Airlocks & Bored Rubber Bungs Corks Demijohn Wine Beer
6 x Fermentation Bubbler Airlocks & Rubber Bungs Corks Demijohn Wine Beer Cider
3 x Fermentation Bubbler Airlocks & Bored Cork Bungs - Demijohn Wine Beer
Bubbler Airlocks and Bored Bungs Set of 6 Wine Making Homebrewing
10 x Fermentation Bubbler Six Chamber Airlocks for Home Brewing Fermenting
Brewing Bubbler Airlocks x 5 Bored Cork Bungs x 5 Solid Cork Bungs x 5
