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submitted 1 week ago* (last edited 1 week ago) by [email protected] to c/[email protected]

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] 11 points 1 week ago

Christ i wish we could get these filters in au at non-arserapey prices

[-] [email protected] 8 points 1 week ago

I read that as "our-SER-uh-pee" at first. I now have a new adjective.

[-] [email protected] 3 points 1 week ago

Say it in a pirate accent

[-] [email protected] 1 points 1 week ago

Is that a portmanteau made from "arse" and "therapy"? Because I might be interested.

[-] [email protected] 5 points 1 week ago

have you heard of the Ikea Starkvind filters? they're a bit smaller but you can tape together as many as you want

[-] [email protected] 2 points 1 week ago

Theres a way i bet. You just need the filter dimensions to match the fan on one axis.

[-] [email protected] 1 points 1 week ago

You can make them yourself using felt, wire and glue. Might not be exactly as effective but better than nothing.

[-] [email protected] 1 points 1 week ago

Can you order from Alibaba?

this post was submitted on 08 Jul 2025
548 points (98.8% liked)

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