- Eliminates suck back during fermentation and cold crash.
- Empty airlock protection; no suck back minimizes the chance of an empty airlock and air entering.
- Transfer protection lets you keep the airlock on while transferring.
- Specially developed for brewers.
- Made out of FDA-approved food grade polypropylene.
- With optional 65PPI activated carbon filters for the inlet; 16 pcs.
- Fits most airlocks, blow-off-tubes, and fermenters.
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