DIY air purifier on a budget for people who got smoke inside their rooms/homes. : r/Calgary
Cheap air purifier : r/Frugal
Made an air purifier. Kinda loud and ugly but it works. : r/redneckengineering
I built a HEPA filter out of a free table and scrap : r/DIY
Corsi-Rosenthal Box DIY Purifier: Running Costs, Noise, Efficiency – Smart Air
DIY Air Purifier w/ 2x120mm Case Fans : r/DIY_tech
8 hours of running the DIY air purifier I made. MERV 13 air filter. : r/bayarea
Social media and duct tape are helping people make DIY air purifiers that filter out wildfire smoke | AP News
$20 air purifier : r/lifehacks
Fellow Allergy Sufferers! DIY Air Purifier on the cheap. : r/DIY
Best Air purifier Reddit 2023 : r/air_purifier_best
Air filter hack: Sackville groups put together DIY solution | CBC News
DIY Air Filter from online : r/lifehacks
My home made air filter fan. Looks like it's working... : r/Calgary
Hepa Filter Companion Cube Box Fan : r/DIY
DIY Air Filter Box Fan : r/woodworking
How to Make a Box Fan Air Purifier: 3 Different Methods | Digital Trends
Spare fan and good filters : r/madisonwi
3D Printed HEPA+Charcoal Air Filter (Work in Progress) : r/3Dprinting
Very simple, low cost air filter. : r/BeginnerWoodWorking
DIY Air Filter Question : r/lifehacks
Homemade air purifier. 2 filters and a box fan : r/mildlyinteresting
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 Air Filter For Resin Room : r/resinprinting
