The airlock has a red dust cap.
5 Litre Fermenting Bucket + Handy Airlock + LCD Thermometer Strip
5 Litre Fermenting Bucket + Six Chamber Airlock + LCD Thermometer Strip
5 Litre Fermentation Brewing Bucket & Lid with Grommet for Airlock - White with
5 Litre Food Grade Fermentation Vessel Bucket Bin & Airlock Fermenting Homebrew
30 litre Fermenting Bin - Brewing Bucket Type Fermenter For Home Brew
25 litre Brewing Bucket + 5 Litre Bucket & 2 Fermentation Airlocks
