4 ms·
Similar items are commercially available: "The Fan Buddy is an electrostatic washable fan filter that attracts and captures airborne dust, pollen, dust-mite de
by giardini 8y ago
Similar items are commercially available:
"The Fan Buddy is an electrostatic washable fan filter that attracts and captures airborne dust, pollen, dust-mite debris, lint, mold spores and pet dander. It will also help reduce smoke and smog. This Fan Buddy fits on most 20 in. box fans... "
https://www.homedepot.com/p/Fan-Buddy-20-in-x-20-in-x-1-in-Washable-Fan-Air-Filter-FB-BF-20/206210062#product_description https://www.homedepot.com/p/Fan-Buddy-20-in-x-20-in-x-1-in-W...