If they are 90% chance this is made in china how can we know the plastic is bpa free?

Don't see that it matters. Nothing passes through the device into the carboy and positive to static neutral pressure inside prevents air from entering. Zero contact means no chance of transfer.

Can the airlock be removed from the bung and used with other standard bungs?

Yes, the twin bubble airlock can be removed from the bung.

what is the height of these from top to bottom?

aloha it is 7 inches.Try making "mead" it is amazingly good even with regular yeast! Add raisins

Will this fit my 5 gallon class jug?

Yes. The universal bungs that come with the twin bubble airlocks are designed for 3, 5 & 6 gallon glass carboys.

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Fastrack Twin Bubble Airlock for Fermentation | Hydrolocks for Fermenting Wine and Beer Making | BPA-Free Cylinder Airlock Used for Brewing Wine, Beer, Pickles & More | Transparent Airlock Set of 2

Fastrack Twin Bubble Airlock for Fermentation | Hydrolocks for Fermenting Wine and Beer Making | BPA-Free Cylinder Airlock Used for Brewing Wine, Beer, Pickles & More | Transparent Airlock Set of 2

Product ID: 49631135

Details

Brand
FastRack
Colour
Clear/Tan
Finish type
Clear Cut
Is customisable
No
Item weight
30 Grams
Manufacturer
Fermtech

🔍transparent design for full fermentation visibility

♻️BPA-free, food-grade safe materials

🛡️airtight seal prevents oxidation

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€ 41.58

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🍾 Brew Boldly, Bubble Transparently!

EFFORTLESS GAS RELEASE - Automatic CO2 venting at room temperature means zero manual fuss, just pure brewing flow.
DURABLE SAFE CRAFTING - Made from BPA-free, food-grade plastic and rubber for a reliable, toxin-free brewing experience.
CRYSTAL CLEAR MONITORING - Watch your brew bubble and evolve with unmatched transparency—never miss a fermentation moment.
UNIVERSAL FIT FLEXIBILITY - Designed to snugly fit a variety of jug sizes with a flexible bung—perfect for your custom setups.
MULTI PURPOSE FERMENTATION ALLY - Ideal for beer, wine, pickles, kimchi, and more—your all-in-one fermentation sidekick.

The Fastrack Twin Bubble Airlock set offers a durable, BPA-free, and fully transparent fermentation solution that automatically vents CO2 while preventing oxidation. Designed for versatility, it fits various jug sizes securely and supports a wide range of fermentation projects from beer and wine to pickles and kimchi, empowering homebrewers to monitor and perfect their craft with ease.

Specifications

ASIN	B00A6TRKO4
Best Sellers Rank	2,361,704 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 174 in Fermentation Airlocks
Brand Name	FastRack
Colour	Clear/Tan
Customer Reviews	4.6 4.6 out of 5 stars (13,436)
Finish Type	Clear Cut
Global Trade Identification Number	00825392000052
Included Components	Airlock and Stopper (Pack of 2)
Is Customizable?	No
Item Dimensions L x W	8L x 5W centimetres
Item Type Name	Bubble Airlock and Bung (2pk)
Item Weight	30 Grams
Manufacturer	Fermtech
Manufacturer Part Number	B00A6TRKO4
Material Type	Plastic Rubber
Model Number	B00A6TRKO4
Number of Items	2
UPC	628504292792 825392000052
Unit Count	2.0 count

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