![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
![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)
Is an $800 purifier best to clean your home's air? Marketplace tested 5 top brands and their claims | CBC News
![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
![How I eliminate PC dust almost completely: A small $45 air purifier that takes in dust and particles to the filter has literally prevented my pc from collecting barely any dust over How I eliminate PC dust almost completely: A small $45 air purifier that takes in dust and particles to the filter has literally prevented my pc from collecting barely any dust over](https://i.redd.it/fqjm19pfs3251.jpg)