Air Lock 3 Piece Unit
Air Lock 3 Piece Unit
Available in stock (120)
3-Piece Airlock
Closed fermentation protection — CO₂ out, oxygen in? nope. 🍺🫧
A classic, reliable airlock that helps maintain a closed fermentation environment by allowing CO₂ to escape while helping block outside air from getting in—reducing oxidation risk during active fermentation.
Why brewers love the 3-piece style ✅
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Easy to clean — fully disassembles for quick wash + sanitize
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See fermentation activity — watch bubbles to confirm things are rolling
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Handles vigorous ferments better than many S-lock styles (and easier to clean if krausen climbs)
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Blowoff-friendly — remove the top pieces and slip tubing onto the stem when needed
Fit & use
Works great with a #6.5 drilled stopper/cork, fitting everything from buckets to fermenters.
Tip: Drill your #6.5 cork/stopper to the appropriate size for your airlock stem (commonly around 3/8" for standard airlocks).
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Professional Precision for the Serious Homebrewer.
Stop settling for "good enough" beer. Every world-class brewery starts with the same secret: a 60-degree conical design. At MiniBrew™, we’ve taken that professional-grade geometry and scaled it perfectly for your home brewery.
Why MiniBrew™?
Built for a Lifetime
Built for a Lifetime
Forget brittle glass carboys or flimsy buckets. MiniBrew™ tanks are molded from high-density, food-grade HDPE. They are UV-protected, impact-resistant, and lightweight. This is the last fermenter you’ll ever need to buy.
Modular by Design
Modular by Design
Start simple and grow as your passion does. Every MiniBrew™ is a "Forever System," designed to be upgraded with:
- Stainless Steel Cooling Coils for perfect temperature control.
- Tri-Clamp Fittings for a pro-level sanitary workflow.
- Sight Glass Kits for instant volume visibility.
One-Tank Mastery
One-Tank Mastery
Say goodbye to the "secondary" struggle. With our dual-port system, you can dump trub and harvest yeast from the bottom valve while your beer stays protected in one vessel. Less oxygen, less risk of infection, and a lot less cleaning.
