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
Air purifiers are expensive, and we had an extra vent filter. : r/redneckengineering
The air purifier I just bought yesterday feels great! : r/smarthome
Looking for reviews on this air purifier. Is it noisy? : r/Costco
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
Made an air purifier from a box fan, an air filter, and some duct tape. : r/redneckengineering
West Coast: air purifiers all sold out. Designed & printed my own. Bad prints, but great air! : r/3Dprinting
Best Air Purifier Posts - Reddit
Is an $800 purifier best to clean your home's air? Marketplace tested 5 top brands and their claims | CBC News
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
Where and how high should i place Xiaomi Air Purifier 4 Pro? (details in comments) : r/AirPurifiers
I wanted an air purifier for my allergies, but someone suggested spending $25 on a box fan and filter instead. Fingers crossed that it works! (Feat. concerned kitty) : r/Frugal
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
$20 air purifier : r/lifehacks
Air purifier's pre-filter, in just a matter of weeks! : r/delhi
better and cheaper than any air purifier on the market : r/pics
My home made air filter fan. Looks like it's working... : r/Calgary
Best air purifier Reddit 2023 : r/air_purifier_best
New improved Mi Air Purifier 3. New AirFlow fan designed, 26% increased CADR, Xiao Ai Compatibility. : r/Aqara
How is this air purifier? Does it help decrease dust build up at all? : r/Costco
The Best Air Purifiers for 2023 | PCMag
8 hours of running the DIY air purifier I made. MERV 13 air filter. : r/bayarea
I built a HEPA filter out of a free table and scrap : r/DIY
The filter to my Air Purifier after >2 months of use. One of my favorite purchases : r/CleaningTips
I vacuum my air purifier filters to squeeze a few more months out of each filter : r/Frugal
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
This is what Air Purifier filter looks like after 145 days - Old (left) Vs New filter(right) : r/india
