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Brewcraft 3ct. - 3 Piece Airlock with #6.5 Stopper - Set of 3 (Cylinder Airlock) Clear and Tan Q3-MF2B-UE2A

4.4 out of 5 stars 3,062 ratings
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Purchase options and add-ons

Colour Clear and Tan
Material Rubber
Brand FastRack
Shape cylinderical
Is dishwasher safe No

About this item

  • 3-piece airlock
  • Cylinder airlock
  • #6.5 stopper / bung with airlock hole
  • Included components: Airlocks and Stoppers
› See more product details

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Brewcraft 3ct. - 3 Piece Airlock with #6.5 Stopper - Set of 3 (Cylinder Airlock) Clear and Tan Q3-MF2B-UE2A
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From the manufacturer

Product information

Technical Details

Brand ‎FastRack
Model Number ‎Q3-MF2B-UE2A
Colour ‎Clear and Tan
Product Dimensions ‎5.08 x 5.08 x 15.24 cm; 141 g
Material ‎Rubber
Item Weight ‎141 g

Additional Information

ASIN B00IGXQ5I4
Customer Reviews
4.4 out of 5 stars 3,062 ratings

4.4 out of 5 stars
鶹 Rank
Date First Available May 15 2014
Manufacturer The Vintage Shop
Place of Business SANDUSKY, OH, 44870 US

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Brewcraft 3ct. - 3 Piece Airlock with #6.5 Stopper - Set of 3 (Cylinder Airlock) Clear and Tan Q3-MF2B-UE2A

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Product description

3 piece airlocks with #6. 5 rubber stoppers. (pack of 3 airlocks with 3 matching stoppers)use this airlock and stopper in your fermenter to create a closed system that allows co2 out and prevents harmful bacteria from getting in. fill to the marked line with sanitizer or boiled water. use with a drilled stopper. these stopper fit most gallon jugs and 38mm screw cap jugs.

Top Brand: FastRack

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FastRackBrewcraft 3ct. - 3 Piece Airlock with #6.5 Stopper - Set of 3 (Cylinder Airlock) Clear and Tan Q3-MF2B-UE2A
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Price$17.01$15.21$15.52$14.16
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Customer ratings
4.44.4 out of 5 stars3,062
4.54.5 out of 5 stars1,340
4.44.4 out of 5 stars327
4.64.6 out of 5 stars436
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Customer reviews

4.4 out of 5 stars
3,062 global ratings

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Customers say

Customers like the functionality, quality, and airlocks of the bottle stopper. They mention it works well with 5 or 6 gallon carboys and is fairly sturdy. Customers also appreciate the cleanability. However, some customers have reported that the airlocks cracked. Opinions are mixed on the fit.

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FunctionalityQualityAirlocksCleanabilityFitDurability
32 customers mention "Functionality"28 positive4 negative

Customers like the functionality of the bottle stopper. They mention it works well with 5 or 6 gallon carboys and the airlocks work exactly as they should in combination with the standard size.

"Good product. Work well" Read more

"...They fit nicely on my carboys and work the way they should. They have a good seal too. Perfect for those who went to brew their own beer, wine, etc." Read more

"...Great value for money. Airlocks work exactly as they should in combination with STANDARD SIZE (!) glass carboys." Read more

"Worked great for demijohns and buckets for beer and wine" Read more

29 customers mention "Quality"24 positive5 negative

Customers are satisfied with the quality of the bottle stopper. They mention it appears fairly sturdy and there are three so even if one breaks there are back ups.

"Good product. Work well" Read more

"Seems fairly sturdy. There are 3 so even if one breaks there are back ups." Read more

"Strong plastic compared to my other airlocks. Good product." Read more

"Good price. Great product" Read more

7 customers mention "Airlocks"5 positive2 negative

Customers like the airlocks. They mention it's a great air lock funel.

"...The air locks are good...." Read more

"Air lock funel..." Read more

"...I am completely missing the airlocks which are the most important and biggest piece. How does this happen?" Read more

"Well packed, good little airlocks..." Read more

5 customers mention "Cleanability"5 positive0 negative

Customers like the cleanability of the bottle stopper. They mention it's easy to clean, no cracks, and dishwasher-safe.

"Clean, no extra plastic inside the airlock to trim(many I have purchased in the past require finish work before 1st use) bung fits my 6 gallon..." Read more

"Perfect size and easy to clean" Read more

"I really like this brand/style very easy to use and clean" Read more

"No cracks, dishwasher safe and the holes are centered in the corks. Great as in add-in to have on hand for when you inevitably crack an airlock." Read more

13 customers mention "Fit"9 positive4 negative

Customers have mixed opinions about the fit of the bottle stopper. Some mention it's a proper fit and fits existing wine making equipment. However, others say it's too small and doesn't sit well in their carboy.

"...They fit nicely on my carboys and work the way they should. They have a good seal too. Perfect for those who went to brew their own beer, wine, etc." Read more

"...bung fits my 6 gallon Italian carboys perfectly...." Read more

"...6.5 will fit carboys better than 1 gal jugs, but seem a bit small for my 6 gal carboy. Seems like I could accidentally shove it into the carboy...." Read more

"Perfect size and easy to clean" Read more

8 customers mention "Durability"0 positive8 negative

Customers are dissatisfied with the durability of the bottle stoppers. They mention the airlocks are completely cracked.

"...1st delivery - One airlock cracked at the nozzle. Apparently this model now has the small filter-end instead of a straight hole...." Read more

"...After cleaning them all up I found 1 is cracked up and unusable." Read more

"...I can see a lot of broken air locks. Maybe that is the point. Someone needs to invent a tool for removing these." Read more

"...cheap and effective, but be careful when using them as the thin plastic cracks easily when handled improperly. Otherwise, they work great." Read more

Air lock funel
5 out of 5 stars
Air lock funel
Awesome product works well 👍 👌
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Top reviews from Canada

  • Charlie Williams
    5.0 out of 5 stars Thumbs up
    Reviewed in Canada on March 17, 2025
    Verified Purchase
    Good product. Work well
    Helpful
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  • Jeremy Mullin
    5.0 out of 5 stars Excellent quality
    Reviewed in Canada on February 22, 2024
    Verified Purchase
    There was nothing to complain about the airlocks I received. They fit nicely on my carboys and work the way they should. They have a good seal too. Perfect for those who went to brew their own beer, wine, etc.
    2 people found this helpful
    Helpful
     Report
  • Mark999
    4.0 out of 5 stars Works, mostly
    Reviewed in Canada on November 5, 2024
    Verified Purchase
    A #6 bung is correct for 1 gallon glass jugs, not 6.5 so the ad is incorrect. These will squeeze in far enough to maybe work, if both the jug and bung are dry, then you can get them to stay in the hole if pushed in hard. 6.5 will fit carboys better than 1 gal jugs, but seem a bit small for my 6 gal carboy. Seems like I could accidentally shove it into the carboy. Not sure what the #6.5 is meant for but is incorrect for everything I have. The air locks are good. I had to order three #6 bungs from elsewhere, so I can use my 1 gal jugs without having to tape the 6.5 bungs down to stay in the hole.
    Helpful
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  • remi stockwell
    5.0 out of 5 stars Works good
    Reviewed in Canada on April 22, 2025
    Verified Purchase
    Works good
    Helpful
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  • OD
    5.0 out of 5 stars Great value and works well for its intended purpose
    Reviewed in Canada on September 20, 2023
    Verified Purchase
    The set was delivered before the estimated date and in perfect condition. Great value for money. Airlocks work exactly as they should in combination with STANDARD SIZE (!) glass carboys.
    Helpful
     Report
  • Tommy Arngak
    3.0 out of 5 stars Need to try new
    Reviewed in Canada on May 6, 2025
    Verified Purchase
    New ones are probably better
    Helpful
     Report
  • Daniel Penner
    5.0 out of 5 stars Works as it should.
    Reviewed in Canada on August 12, 2024
    Verified Purchase
    Seems fairly sturdy. There are 3 so even if one breaks there are back ups.
    Helpful
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  • Charles G
    4.0 out of 5 stars Good quality
    Reviewed in Canada on September 17, 2023
    Verified Purchase
    Just as described good value
    Helpful
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Top reviews from other countries

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  • Mohammed Al jehani
    4.0 out of 5 stars Good quality
    Reviewed in Saudi Arabia on April 4, 2025
    Verified Purchase
    Good quality
    Report
  • Salafeno Cope
    5.0 out of 5 stars Great
    Reviewed in the United States on April 21, 2025
    Verified Purchase
    I purchased the Fastrack 3-piece airlock for my fermentation project, and it's been doing exactly what I needed it to do. The airlock allows CO2 to escape while keeping air out, and it's been easy to clean and use. I'm happy with the performance and would definitely recommend this product to others looking for a reliable airlock for fermentation.
    Report
  • Jacobo Alberto Rodrigo Torres
    5.0 out of 5 stars Buen producto
    Reviewed in Mexico on November 23, 2023
    Verified Purchase
    Buen producto, llego en tiempo y forma, compre los airlock y los tapones para ampliar mi arsenal de herramientas para preparar cerveza casera, sin duda lo compraria de nuevo
    Report
  • Sharika
    3.0 out of 5 stars Product is of good quality
    Reviewed in India on January 2, 2021
    Verified Purchase
    Very small did not fit my carboy otherwise it is of good quality
    Report
  • Zahid Vázquez
    5.0 out of 5 stars Cumple si función
    Reviewed in Mexico on November 30, 2022
    Verified Purchase
    Cumplen su función, pero hay que estar revisando si el sello no se rompe, en especial en tiempos de fermentación más prolongados
    Report