Mildly Interesting

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The filters in my Corsi-Rosenthal Box look after 30 days of continuous use... (lemmynsfw.com)

submitted 6 days ago* (last edited 6 days ago) by [email protected] to c/[email protected]

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I recently stayed in an apartment that didnt have central air so I created a corsi-rosenthal box since the smoke from the Canadian wildfires were so bad.

After 30 days of continuous use, with very minimal periods of it being turned off, this is what the filters look like!

It's disgusting yet also so satisfying to see the filters get darker from debris, dust, and dirt.

Edit: typos

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[–] [email protected] 2 points 6 days ago (3 children)

Replacing those has got to be a pain with the amount of duct tape you used. And why is there tape on the bottom?

[–] [email protected] 2 points 6 days ago

You can just cut the tape at the top along the fan, than peel the left over tape off the fan and start again. The tape on the bottom is for either a 5th filter or just a peice of cardboard across the bottom for stability.

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