YSK: Air purifiers for smoke : r/Portland
Air filtration : r/BeginnerWoodWorking
Smoke is here: remember to check your filters for your home. : r/vancouver
The Cuboid: A DIY air purifier that's better than a box-fan
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
DIY Wildfire Smoke Filter : r/Edmonton
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
Air quality report : r/Louisville
My home made air filter fan. Looks like it's working... : r/Calgary
Cheap air purifier : r/Frugal
DIY Air Filter Box Fan : r/woodworking
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
Hepa Filter Companion Cube Box Fan : r/bayarea
20x20x1 + Box Fan : r/Portland
Furnace Filter, 4 months old and New : r/kelowna
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
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
Homemade HEPA filter for tiny, dusty apartment. This is the result of 18” furnace HEPA filter + Box fan on about 10 hours per day for 1 month. Total price <$40; 6
My janky swamp cooler for 100°+ days (box fan) : r/redneckengineering
Box fan filtration cube : r/woodworking
Reddit - Dive into anything
Spare fan and good filters : r/madisonwi
DIY air purifiers a hot trend against wildfire smoke
