Changed the filter on my home-made box fan filter yesterday; yikes! Instructions inside on how to make your own for about $30 to improve your indoor air quality. : r/SeattleWA
I vacuum my air purifier filters to squeeze a few more months out of each filter : r/Frugal
The filter to my Air Purifier after >2 months of use. One of my favorite purchases : r/CleaningTips
Air purifiers: Do they really work? How do they work? Are they worth the investment? : r/askscience
Looking for reviews on this air purifier. Is it noisy? : r/Costco
DIY Air Purifier w/ 2x120mm Case Fans : r/DIY_tech
better and cheaper than any air purifier on the market : r/pics
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
Best air purifier Reddit 2023 : r/air_purifier_best
A very effective Air Purifier sold in Southern California Costco. I've tried multiple units and this one, by far, blows more air and covers the largest sqft area for it's size. Also
Air purifier's pre-filter, in just a matter of weeks! : r/delhi
How is this air purifier? Does it help decrease dust build up at all? : r/Costco
The air purifier I just bought yesterday feels great! : r/smarthome
Box fan air purifier filter after 1 week of use during Campfire : r/sanfrancisco
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
With all this talk to of bad air, does anyone use an air purifier in the home/bedroom? If so, does it work? : r/pittsburgh
Best design for DIY Air filter? : r/HVAC
If you want an air purifier but only have $39, slap a 20x20x1 filter on the back of a box fan : r/lifehacks
Made an air purifier from a box fan, an air filter, and some duct tape. : r/redneckengineering
We have an air purifier in our house because we live in between a freeway and railroad tracks. We put a new filter in today. We've been here 7 months. : r/WTF
8 hours of running the DIY air purifier I made. MERV 13 air filter. : r/bayarea
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
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
Hepa Filter Companion Cube Box Fan : r/DIY
I built a HEPA filter out of a free table and scrap : r/DIY
This is what Air Purifier filter looks like after 145 days - Old (left) Vs New filter(right) : r/india
