Air Lock Cork - 6 1/2 Drilled Rubber Stopper
Air Lock Cork - 6 1/2 Drilled Rubber Stopper
Available in stock (111)
Airlock Cork — #6.5 Drilled Rubber Stopper (Bung) 🫧
A classic #6.5 tapered rubber stopper with a center-drilled hole for mounting an airlock (or fitting tubing for a blowoff setup). Designed to seal securely and hold in place during active fermentation.
Why it works so well ✅
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Drilled through to accept an airlock or tubing
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Tapered shape seals tight and helps keep the airlock stable
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Won’t drop through when used with the correct hole size
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Easy to clean + sanitize with common brewing cleaners/sanitizers
Dimensions
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Top diameter: 50mm (1.97")
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Bottom diameter: 42mm (1.65")
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Fits a vessel hole drilled to 1 1/8" diameter
Tip: You can also insert tubing directly into the drilled hole to run a simple blowoff line.
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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.