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 and Carboy Bung (2-Pack) | Fermentation Airlocks for Homebrewing Beer, Wine, Mead, and Kombucha

Fastrack Twin Bubble Airlock and Carboy Bung (2-Pack) | Fermentation Airlocks for Homebrewing Beer, Wine, Mead, and Kombucha

Product ID: 276840

Details

Brand
FastRack
Color
Clear/Tan
Item Weight
30 g
Manufacturer
Fermtech
Material
Plastic Rubber
Number of Items
2

🍺2-pack twin bubble airlocks for dual fermentation

🔍transparent food-grade plastic for easy monitoring

🛡️airtight seal prevents oxidation & contamination

COP 49639

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Description

🍻 Brew Boldly, Bubble Confidently — Your Fermentation’s Best Friend!

DUAL PACK EFFICIENCY - Two airlocks and bungs included for simultaneous fermentation projects or backups.
CRYSTAL CLEAR MONITORING - Transparent design lets you visually track fermentation activity without opening your vessel.
VERSATILE FERMENTATION USE - Perfect for beer, wine, mead, kombucha, and even fermented foods like kimchi and sauerkraut.
EFFORTLESS PRESSURE CONTROL - Automatic CO2 release prevents pressure buildup—no manual intervention needed.
UNIVERSAL FIT COMPATIBILITY - Rubber bungs fit most carboys and jugs, making setup quick and hassle-free.

The Fastrack Twin Bubble Airlock and Carboy Bung 2-pack offers homebrewers a reliable, airtight fermentation solution crafted from durable, food-grade transparent plastic. Designed for easy installation and universal fit, these airlocks automatically release CO2 while preventing oxygen entry, ensuring optimal fermentation for beer, wine, mead, kombucha, and fermented foods. Trusted by thousands with a 4.6-star rating, this set combines functionality and simplicity to elevate your homebrewing experience.

Specifications

ASIN	B00A6TRKO4
ASIN	B00A6TRKO4
Best Sellers Rank	#20,388 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #7 in Brewing & Fermentation Airlocks
Brand Name	FastRack
Color	Clear/Tan
Customer Reviews	4.6 4.6 out of 5 stars (13,899)
Date First Available	November 13, 2012
Global Trade Identification Number	00825392000052
Included Components	Airlock and Stopper (Pack of 2)
Item Dimensions L x W	3.15"L x 1.97"W
Item Form	physical component
Item Type Name	Bubble Airlock and Bung (2pk)
Item Weight	30 g
Item model number	B00A6TRKO4
Manufacturer	Fermtech
Manufacturer	Fermtech
Manufacturer Part Number	B00A6TRKO4
Material Type	Plastic, Rubber
Model Number	B00A6TRKO4
Number of Items	2
Number of Packs	2
Product Dimensions	3.15 x 1.97 x 3.15 inches; 1.06 ounces
UPC	628504292792 825392000052
Unit Count	2 Count

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COP 49639

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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