My janky swamp cooler for 100°+ days (box fan) : r/redneckengineering
Air quality report : r/Louisville
A follow up to the DIY air purifier thread- here's my toddler's room's box fan filter after 6 weeks of nighttime use. Glad to know it's reducing his environmental allergy symptoms this
My home made air filter fan. Looks like it's working... : r/Calgary
Social media and duct tape are helping people make DIY air purifiers that filter out wildfire smoke
20x20x1 + Box Fan : r/Portland
YSK: Air purifiers for smoke : r/Portland
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
How a MERV 13 Air Filter and a Box Fan Can Help Fight Covid-19 - Tex-Air Filters
Air filter on box fan day 2. Wild fire smoke : r/interestingasfuck
If you want an air purifier but only have $39, slap a 20x20x1 filter on the back of a box fan : r/lifehacks
Air purifiers are expensive, and we had an extra vent filter. : r/redneckengineering
Spare fan and good filters : r/madisonwi
Cheap air purifier : r/Frugal
Changed the filter on my home-made box fan filter yesterday; yikes! Instructions inside on how to make your own for about $30 to improve your indoor air quality. : r/SeattleWA
Preparing for poor air quality - DIY air cleaning with Corsi-Rosenthal Boxes : r/preppers
Furnace Filter, 4 months old and New : r/kelowna
Made an air purifier from a box fan, an air filter, and some duct tape. : r/redneckengineering
DIY air purifiers a hot trend against wildfire smoke
Air filter hack: Sackville groups put together DIY solution | CBC News
LPT: Box fan + 20 inch filter = cheap and effective indoor pollen filter. : r/Austin
I finally got my hands on the Lasko FF305. I'm kind of baffled why this seems to be the only company that ships a box fan with an air filter built in.
Pro-tip: a good furnace filter duct tape to a box fan is great at dealing with smoke. Left: a filter I set up yesterday; right: a filter I set up just now : r/alberta
Box fan air filter after 3 months and one particularly smoky day in Hollywood : r/LosAngeles
