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Description & Highlights
Double Bubble Airlock
The Double Bubble Airlock (5000) allows CO2 to escape, but doesn’t let air back in to contaminate the wine or beer in your fermenter. See the pressure in each fermenter by looking at the two chambers of this device.
- Model: 5000Double Bubble Airlock
- Brand: BSGS-Lock with dust cap
- Allows CO2 to escapeShows difference in inside air pressure vs. outside air pressure
- Keeps air from contaminating the wine or beer in fermenter