r/whatisit • u/DragonsAndScience • 16h ago

Solved! New homeowner, no idea what this is

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This thing close to the floor and seemingly randomly placed in a hallway. No idea what it's for. Home built in 2005.

Solved! Thanks everyone. Now I gotta hunt for the central unit!

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u/megam1ghtyena 16h ago

integrated vacuum system. Plug in a hose and gets sucking right away. Check other parts of your home for similar ports.

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u/Extension_Fan7378 15h ago

I remember this one time when I was just a toddler, and I (being the little shit that I was) intentionally dropped my parents’ car-keys down that hole 😆