Has anyone used a filter on a box fan before? How did it go? I figured it would be a good idea since AQ isn't the best in my basement. : r/gpumining
How a MERV 13 Air Filter and a Box Fan Can Help Fight Covid-19 - Tex-Air Filters
Air filtration : r/BeginnerWoodWorking
LPT: Tape a 20x20" filter mesh to a window fan for a cheap DIY air filter that costs ~$20 : r/LifeProTips
My home made air filter fan. Looks like it's working... : r/Calgary
My surprisingly effective shop air cleaner. Box fan, bungee cords, and a furnace filter. Works pretty well. : r/BeginnerWoodWorking
LPT: Box fan + 20 inch filter = cheap and effective indoor pollen filter. : r/Austin
Do the DIY box fan filters work? Well, here's mine after just 1.5 days running in a closed bedroom (Greenwood area) : r/SeattleWA
Homemade air purifier. 2 filters and a box fan : r/mildlyinteresting
Air purifiers are expensive, and we had an extra vent filter. : r/redneckengineering
Spare fan and good filters : r/madisonwi
Made an air purifier from a box fan, an air filter, and some duct tape. : r/redneckengineering
Box fan with 3M MERV 12 Filtrete filters on the front and back, duct taped. I have a small room, will this do the trick as a Corsi-Rosenthal box? Not sure why
Cheap air purifier : r/Frugal
Hepa Filter Companion Cube Box Fan : r/bayarea
Air filter hack: Sackville groups put together DIY solution | CBC News
Air quality report : r/Louisville
My janky swamp cooler for 100°+ days (box fan) : r/redneckengineering
YSK: Air purifiers for smoke : r/Portland
Reddit - Dive into anything
I wanted an air purifier for my allergies, but someone suggested spending $25 on a box fan and filter instead. Fingers crossed that it works! (Feat. concerned kitty) : r/Frugal
Social media and duct tape are helping people make DIY air purifiers that filter out wildfire smoke
20x20x1 + Box Fan : r/Portland
