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(5,461 posts)

2. Don't need utube either

Fri Jul 17, 2026, 05:49 PM

5 hrs ago

Just put a furnace/AC filter on a box fan. Tape it on. Match the dimensions best you can.

There. 1 second of text.

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In most homes your thermostat has a setting [View all] Prairie_Seagull 6 hrs ago OP

;-{) THIS DIY AIR PURIFIER WORKS GREAT Goonch 6 hrs ago #1

Don't need utube either orthoclad 5 hrs ago #2

Look for air filters with a Merv rating of 11-13 Kaleva 5 hrs ago #3