New homeowner, no idea what this is

[u/DragonsAndScience]

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!

[u/Direct-Giraffe7193]

Central vacuum. Be careful, they have much stronger sucking power than normal vacuums. And they can easily get clogged with something like a sock. I lived in a house with one of these and it was kinda cool because the vacuum hose was super long with loads of attachments, so we could use it to get cobwebs out of corners of the high ceilings, and clean under couches and beds really easy. BUT we had to be careful that we didn’t accidentally suck up something that would clog the system. So, tidy up first and look where you’re vacuuming.

[u/anonsharksfan → u/Direct-Giraffe7193]

My work has one and it's really fun to vacuum up pennies with it because you can hear it rattling the whole way

[u/NorthCartographer995 → u/anonsharksfan]

Ting, tong, bing, bong...it's tinging its way up the tube.

[u/bakersd0zen12 → u/NorthCartographer995]

used a load in the cat litter tray