Homemade air purifier. 2 filters and a box fan : r/mildlyinteresting
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
If you want an air purifier but only have $39, slap a 20x20x1 filter on the back of a box fan : r/lifehacks
Super disappointed with the new AM011 air purifier. The original model with the GLASS HEPA filter was. AMAZING! The new filter is garbage and difference is night and day. WHY DYSON?! WHY?!! :
Hepa Filter Companion Cube Box Fan : r/DIY
Does an air purifier require service or change in filter? I usually just wash the filter and put it back in. The pollution reader does show decrease in pollution. : r/AirPurifiers
This is what Air Purifier filter looks like after 145 days - Old (left) Vs New filter(right) : r/india
Even the air purifier is saying to duck off, pollution lvls over 800 here in Delhi : r/india
Where and how high should i place Xiaomi Air Purifier 4 Pro? (details in comments) : r/AirPurifiers
8 hours of running the DIY air purifier I made. MERV 13 air filter. : r/bayarea
Made an air purifier from a box fan, an air filter, and some duct tape. : r/redneckengineering
Thanks to this Reddit, I no longer have to wonder why car vent air freshener wasn't working! Cabin air filter after 225k miles! : r/Cartalk
Experiments on a $50 DIY air purifier that takes 30s to assemble : r/slatestarcodex
Bushfire smoke - DIY air purification : r/melbourne
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
3D printed air purifier/cleaner project : r/3Dprinting
I built a HEPA filter out of a free table and scrap : r/DIY
better and cheaper than any air purifier on the market : r/pics
Air purifier placement in a small room - advice needed : r/AirPurifiers
Air purifier's pre-filter, in just a matter of weeks! : r/delhi
Air purifiers: Do they really work? How do they work? Are they worth the investment? : r/askscience
Best design for DIY Air filter? : r/HVAC
The air purifier I just bought yesterday feels great! : r/smarthome
I vacuum my air purifier filters to squeeze a few more months out of each filter : r/Frugal
