Box fan air purifier filter after 1 week of use during Campfire : r/sanfrancisco
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
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.
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 Important is Filter Direction : r/AirPurifiers
Spare fan and good filters : r/madisonwi
Social media and duct tape are helping people make DIY air purifiers that filter out wildfire smoke | AP News
Made an air purifier from a box fan, an air filter, and some duct tape. : r/redneckengineering
If you want an air purifier but only have $39, slap a 20x20x1 filter on the back of a box fan : r/lifehacks
How to Make a Box Fan Air Purifier: 3 Different Methods | Digital Trends
DIY air purifiers a hot trend against wildfire smoke
Air purifiers are expensive, and we had an extra vent filter. : r/redneckengineering
Social media and duct tape are helping people make DIY air purifiers that filter out wildfire smoke | AP News
Amazon.com: Lasko FF305 Air Flex 2-in-1 20-inch Box Fan and Air Purifier in One with MERV10 Air Purifying Filter for Cleaner Air and a Cooling Breeze : Home & Kitchen
Cheap air purifier : r/Frugal
20x20x1 + Box Fan : r/Portland
Box fan air filter after 3 months and one particularly smoky day in Hollywood : r/LosAngeles
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
3D Printed HEPA+Charcoal Air Filter (Work in Progress) : r/3Dprinting
Hepa Filter Companion Cube Box Fan : r/bayarea
The filter to my Air Purifier after >2 months of use. One of my favorite purchases : r/CleaningTips
Homemade air purifier. 2 filters and a box fan : r/mildlyinteresting
Reddit - Dive into anything
LPT: Tape a 20x20" filter mesh to a window fan for a cheap DIY air filter that costs ~$20 : r/LifeProTips
