Fermentation AirLock
thingiverse
Airlock designed with a snap-on cap that securely fits onto a standard 1-gallon jug. I've researched various alternatives, but opted to build my own for the sake of experimentation. The results are promising so far.
Download Model from thingiverse
With this file you will be able to print Fermentation AirLock with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Fermentation AirLock.