Product Description
Used to provide a positive seal on your carboy. The #6.5 stopper works well with our glass carboys and Big Mouth Bubbler PET fermentor.
Top Diameter: 1.339"
Bottom Diameter: 1.063"
Not sure if this is the correct stopper for your purposes? Consult our stopper information table below:| Stopper Type | Compatible With: |
|---|---|
| No. 2 Drilled Stopper | Standard Beer bottles |
| No. 5 Drilled Stopper | Big Mouth Bubbler® EVO 2 w/screw-on lid (older EVO 2 models) & Little BMB |
| No. 6 Stopper Drilled or Solid | 1 Gallon Jugs |
| No. 6.5 Stopper Drilled or Solid | Glass carboys, Big Mouth Bubbler® plastic (5 or 6.5 gallon) or EVO 2 w/ Universal Lid. Ideal fit is 6 gallon carboy. |
| No. 7 Drilled Stopper | 5 Gallon glass carboys |
| No. 10 Drilled Stopper | PET Plastic Carboy 5 or 6 gallon |
| Small Universal Stopper - Drilled or Solid | Glass Carboys (3, 5, 6, 6.5), Big Mouth Bubbler® Plastic 5 or 6.5 gallon or EVO 2 w/ Universal Lid. |
| Medium Universal Stopper - Drilled or Solid | PET Plastic Carboy 5 or 6 gallon |
California Proposition 65
⚠ Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.
Availability & Sizing
Product Details
Price History
Historical Data
Last 1 days of price history
| Date | Low Price | High Price | Average Price | Vendors |
|---|---|---|---|---|
| May 13, 2026 | $1.79 | $1.79 | $1.79 | 1 |
Price Statistics
Description
Used to provide a positive seal on your carboy. The #6.5 stopper works well with our glass carboys and Big Mouth Bubbler PET fermentor. Top Diameter: 1.339" Bottom Diameter: 1.063" Not sure if this is the correct stopper for your purposes? Consult our stopper information table below: Stopper Type Compatible With: No. 2 Drilled Stopper Standard Beer bottles No. 5 Drilled Stopper Big Mouth Bubbler® EVO 2 w/screw-on lid (older EVO 2 models) & Little BMB No. 6 Stopper Drilled or Solid 1 Gallon Jugs No. 6.5 Stopper Drilled or Solid Glass carboys, Big Mouth Bubbler® plastic (5 or 6.5 gallon) or EVO 2 w/ Universal Lid. Ideal fit is 6 gallon carboy. No. 7 Drilled Stopper 5 Gallon glass carboys No. 10 Drilled Stopper PET Plastic Carboy 5 or 6 gallon Small Universal Stopper - Drilled or Solid Glass Carboys (3, 5, 6, 6.5), Big Mouth Bubbler® Plastic 5 or 6.5 gallon or EVO 2 w/ Universal Lid. Medium Universal Stopper - Drilled or Solid PET Plastic Carboy 5 or 6 gallon California Proposition 65 ⚠ Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.
Additional Info
Vendor Comparison (1 stores)
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| Vendor | Price | Stock | Last Updated | Action |
|---|---|---|---|---|
Northern Brewer LLC Best Price | $1.79 | Out of Stock | 5/13/2026 | View Product → |
Available Sizes & Variants (1)
| Variant | Price | Status | Stores | Buy |
|---|---|---|---|---|
Default Title | $1.79 | In Stock | 1 store | Buy |
