Homemade air purifier. 2 filters and a box fan : r/mildlyinteresting
Made an air purifier from a box fan, an air filter, and some duct tape. : r/redneckengineering
DIY air purifier on a budget for people who got smoke inside their rooms/homes. : r/Calgary
Social media and duct tape are helping people make DIY air purifiers that filter out wildfire smoke | AP News
The People's Filter | A do-it-yourself guide to air filtration for COVID and wildfires. : r/vancouver
Cheap air purifier : r/Frugal
I built a HEPA filter out of a free table and scrap : r/DIY
Best Air purifier Reddit 2023 : r/air_purifier_best
DIY Air Purifier w/ 2x120mm Case Fans : r/DIY_tech
I made a homemade air purifier and this is what it caught in less than one day : r/sanfrancisco
3 Air Purifiers were Overkill, until This Week : r/Denver
The Cuboid: A DIY air purifier that's better than a box-fan
Fellow Allergy Sufferers! DIY Air Purifier on the cheap. : r/DIY
The filter to my Air Purifier after >2 months of use. One of my favorite purchases : r/CleaningTips
3 months of using my homemade air purifier. : r/pics
My surprisingly effective shop air cleaner. Box fan, bungee cords, and a furnace filter. Works pretty well. : r/BeginnerWoodWorking
8 hours of running the DIY air purifier I made. MERV 13 air filter. : r/bayarea
DIY air purifier : r/lifehacks
3D Printed HEPA+Charcoal Air Filter (Work in Progress) : r/3Dprinting
Made an air purifier. Kinda loud and ugly but it works. : r/redneckengineering
DIY Air Filter For Resin Room : r/resinprinting
Box fan air purifier filter after 1 week of use during Campfire : r/sanfrancisco
DIY Air Filter from online : r/lifehacks
Corsi-Rosenthal Box DIY Purifier: Running Costs, Noise, Efficiency – Smart Air
