Discount Homebrew Askern, Doncaster Fermentation Bubbler Airlock 6 Chamber & complete with red dust cap Essential for preventing contamination during fermentation Used as a one-way valve - allowing CO2 to escape safely whilst preventing anything getting in Also useful as a monitor for the fermentation process (you will see the CO2 bubbling though, fast initially but then slower until it stops when complete) These airlocks fit all standard bored bungs and corks for demijohns and fermenters Also fit into grommets that we can supply separately FREE collection from DN6 or FREE shipping We are pleased to offer full support to all of our customers Contact details accompany order Please visit our ebay shop We offer the full range of homebrew supplies all at discount prices If you can't find what you're looking for please contact us for an offer Returns Policy |