FastRack Twin-Bubble Airlocks with Universal-Style Bungs, Two Sets
Compare two twin-bubble airlocks with universal-style bungs for a different chamber and stopper arrangement.
Read the differences ↗FastRack · Airlocks & vessel parts
FastRack Three-Piece Airlocks with Number 6.5 Stoppers, Three Sets
Three cylindrical airlocks with removable internal parts, supplied with three number 6.5 rubber stoppers.
Price & purchase ↓
The equipment in use
How this item fits your brewing setup
This set uses the cylindrical three-piece airlock format: an outer chamber, internal moving component and cap. The separated construction gives access to the inside when the components are removed. Compare that arrangement with an S-shaped airlock if how you handle and access the parts matters to your choice.
The selected description and package graphic identify three airlocks with number 6.5 rubber stoppers. The stopper fits the vessel opening and receives the airlock stem. Number 6.5 identifies the supplied stopper format; it does not establish compatibility with every fermenter of a particular gallon capacity.
Choose this package when you need that cylindrical airlock-and-stopper combination for compatible vessels. It does not supply a fermenter, replacement lid or sampling instrument. If your lid already has a suitable small grommet, compare its actual stem fit before deciding whether you need the included stopper arrangement.
Allow room above the vessel for the assembled airlock. Published dimensional fields do not agree with the gallery’s stated height, so confirm the full installed clearance before choosing it for a fixed cupboard. No exact heat rating or cleaning chemical is inferred from a similar-looking airlock sold under another maker’s name.
The selected reference
Specifications & supplied details
- Airlock form
- Cylindrical three-piece
- Component access
- Outer chamber, internal component and cap separate
- Airlock quantity
- Three
- Stopper quantity
- Three
- Stopper designation
- Number 6.5
- Stopper material
- Rubber
- Brand
- FastRack
- Listing reference
- Q3-MF2B-UE2A
Before and during use
Advice for this reference
Before you choose
Match the stopper to the actual vessel neck and the airlock stem to its drilled opening.
Also check
Choose the cylindrical construction for access to separated parts; compare the twin-bubble body if you prefer that format.
Connections & scope
Fit and useful limits
- The structured rubber material field is not applied to the entire clear airlock body.
- Structured 2×6 in and other dimensions differ from the gallery 4.58 in height; no fixed installed envelope is asserted.
- No universal neck fit, numerical pressure rating or guaranteed fermentation result is claimed.
Questions about this product
What else should you know?
Do I need the stopper if my bucket lid already has a grommet?
Compare the actual grommet opening with the airlock stem. The supplied stopper serves a different connection to a larger compatible vessel opening.
Can I replace a lost inner component with one from the oversized Speidel airlock?
No interchangeability is documented between those assemblies. This set supplies complete small cylindrical airlocks; choose matching components instead of treating every cylindrical airlock as the same design.
Should I buy a complete set if only the stopper is damaged?
This offer includes three complete airlock-and-stopper pairs. If the airlock remains serviceable, compare an individually matched replacement stopper; a number 10 stopper is not automatically a substitute for the supplied number 6.5 format.
A different choice for a different need
Compare the relevant alternatives
Speidel Oversized Replacement Airlock FE781
Compare the dedicated oversized Speidel airlock only for an installation that uses that particular connection.
Read the differences ↗Continue choosing