Vital Apparatus Vent

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Vacuum tubes are an aesthetic element of Portal 2. They are used throughout Aperture to distribute objects, like cubes, turrets, and gel. They can be used to add visual interest to levels, and should be used around droppers.

Cubes and Turrets

The cubes and turrets that fly through the tubes are an animation. Look in the model folder "props_vac_anim".

Vital Apparatus Vents appeared in the original Portal, they deliver testing apparatus between tests.

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