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Aperture Science Vital Apparatus Vent

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This subject is related to the Portal era.
This subject is related to the Portal 2 era.

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Vital Apparatus Vent
General information

Aperture Science


Product delivery system

Used by
Game information

Scott Klintworth

"Weighted Storage Cube destroyed. Please proceed to the Aperture Science Vital Apparatus Vent for a replacement."

The Aperture Science Vital Apparatus Vent is the final part of a Pipe Network that distributes Weighted Storage Cubes, Sentry Turrets, robot parts, and various other testing elements into the test chambers of the Enrichment Center.


  • Located on ceilings, they are connected to the Pipe Network which uses pneumatic air pressure to transport testing elements throughout the facility. The Vital Apparatus Vent is the delivery component and is often used by Chell or ATLAS and P-body.
  • There are three main variants found throughout the Portal series. The first variant, found exclusively in Portal, has robotic arms that retract to allow cubes to pass through. These four robotic arms are each attached to one fourth of the circular bottom cover of the vent, and they slide outwards when in an open position. The second variant, found throughout most of Portal 2, is an improved (possibly retconned?) design that contains more mechanized parts. This design irises open to drop cubes, similar to a camera’s aperture (which may be subtle symbolism of the company’s name). The third design is only seen in the Old Aperture areas of Portal 2, and it consists of a crude, crate-like container that simply uses a mechanized trapdoor to dispense cubes.
  • In Test Chamber 16 of Portal, a damaged vent is randomly opening and closing, allowing a large pile of cubes to build up below it. It was probably intentionally sabotaged by Doug Rattmann, explaining the presence of a radio, a set of tools and a coffee mug, as well as a black hand-print on the wall.
  • The improved model of the Apparatus Vents in Portal 2 has a white component surrounding above it. This component is similar to that of a Pneumatic Diversity Vent, and is most likely used to slow down the acceleration of objects to prevent breaking Apparatus Vents.
  • The Pneumatic Diversity Vent functions as the opposite of the Vital Apparatus Vents, instead transporting and accelerating products throughout the Enrichment Center.


List of appearances[edit]

Main games[edit]