![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 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](https://i.redd.it/tras1vy6qsp01.jpg)
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
![This is what Air Purifier filter looks like after 145 days - Old (left) Vs New filter(right) : r/india This is what Air Purifier filter looks like after 145 days - Old (left) Vs New filter(right) : r/india](https://i.redd.it/xrvioaz00zr21.jpg)
This is what Air Purifier filter looks like after 145 days - Old (left) Vs New filter(right) : r/india
![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 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](https://i.redd.it/4jqrsocwsgh11.jpg)
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
![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 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](https://external-preview.redd.it/FzAnPhNkjULJNPKAQdNyj4SPcJEvDpyb25FXiSd6aik.png?auto=webp&s=6b0f04999eca99978bc4523b2fbaac1b98a52fae)
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
![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 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](https://i.redd.it/k128w8sxbuw51.jpg)
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
![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 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](https://i.redd.it/666i4t46lgz51.jpg)
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
![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?!! : 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?!! :](https://i.redd.it/tyis0wo5tyi11.jpg)
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?!! :
![Is an $800 purifier best to clean your home's air? Marketplace tested 5 top brands and their claims | CBC News Is an $800 purifier best to clean your home's air? Marketplace tested 5 top brands and their claims | CBC News](https://i.cbc.ca/1.5900799.1612453779!/fileImage/httpImage/image.jpeg_gen/derivatives/16x9_940/marketplace-purifier-test.jpeg)