Drink Backpack Mk. III

The next generation drink backpack is complete just in time for Phreaknic!

This version immerses 2 liter bottles (or whatever other bottle you want) in an ice bath. It uses compressed CO2 to force your beverage of choice out of the bottle and into the tubing for dispensing.  A whistle was added to make the venting a bit more fun and the relief valve helps prevent any disasters.

Manifold with whistle and relief valve

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