DIY Air Filter Box Fan : r/woodworking
Air filter on box fan day 2. Wild fire smoke : r/interestingasfuck
8 hours of running the DIY air purifier I made. MERV 13 air filter. : r/bayarea
3D Printed HEPA+Charcoal Air Filter (Work in Progress) : r/3Dprinting
Spare fan and good filters : r/madisonwi
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
Made an air purifier from a box fan, an air filter, and some duct tape. : r/redneckengineering
The People's Filter | A do-it-yourself guide to air filtration for COVID and wildfires. : r/vancouver
Bushfire smoke - DIY air purification : r/melbourne
DIY Air filter if you do not have a central air filter. See comment : r/statenisland
Made an air purifier. Kinda loud and ugly but it works. : r/redneckengineering
DIY Air Filter For Resin Room : r/resinprinting
Social media and duct tape are helping people make DIY air purifiers that filter out wildfire smoke : r/gadgets
How to build DIY box fan air purifier for $60 : r/DIY
Cheap air purifier : r/Frugal
Corsi-Rosenthal Box DIY Purifier: Running Costs, Noise, Efficiency – Smart Air
Fellow Allergy Sufferers! DIY Air Purifier on the cheap. : r/DIY
My home made air filter fan. Looks like it's working... : r/Calgary
DIY air purifier : r/lifehacks
3 months of using my homemade air purifier. : r/pics
Box fan air purifier filter after 1 week of use during Campfire : r/sanfrancisco
How to Make a Box Fan Air Purifier: 3 Different Methods | Digital Trends
3 Air Purifiers were Overkill, until This Week : r/Denver
DIY Air Purifier w/ 2x120mm Case Fans : r/DIY_tech
