3-Piece Airlock and #10 Rubber Stopper Set for Brewing & Fermentation Brand_Lallemand The best choice for large

The best choice for large flasks

but you won't run into those issues with the Bucha Tank thanks to the 100% stainless steel interior and stainless steel spigot

**10 Gallon unit pictured

Complete Drainage Bottoms - All Speidel Braumeister tanks are outfitted with conical

3-Piece Airlock and #10 Rubber Stopper Set for Brewing & Fermentation Brand_Lallemand The best choice for largeThis Airlock and Stopper Set is the standard fermentation venting solution for homebrewers and winemakers. The 3 piece airlock design is preferred for its ease of cleaning and ability to handle vigorous fermentations without blowing over. The #10 rubber stopper is the standard size for most 5, 6, and 6. 5 gallon glass carboys and several plastic fermenter models, providing a 100% airtight seal while allowing CO2 to escape safely. Sanitation Note: Fill