Red BUNA-N Gasket for 4" Fermenter Lid
Red BUNA-N Gasket for 4" Fermenter Lid
Available in stock (831)
MiniBrew® Red 4" Buna-N Lid Gasket 🧼
Custom-made to fit MiniBrew 4" threaded fermenter lids.
This food-grade red Buna-N gasket is purpose-built for MiniBrew® 4" threaded lids. It covers more sealing surface than the older red O-ring and is designed to stay in place while you thread the lid on—no slipping, no frustration.
Why you’ll want it ✅
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Made for MiniBrew® 4" threaded lids (perfect fit)
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More surface contact than the previous red O-ring
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Won’t fall out during installation
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Easy to clean and reuse
Compatibility
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Standard equipment on all fermenters that use the 4" threaded lid
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If your model uses the red O-ring, you can use either the O-ring or this 4" Buna-N gasket
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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.
