Box Fan Filter, inspo from https://tombuildsstuff.blogspot.com/2013/06/better-box-fan-air-purifier.html and @mercurystardust
Devabhaktuni "Sri" Srikrishna on X: "Anyone into DIY air purifiers? Target has "50% off" sale on classic Lasko box fans, says $13.49 online but only $11.49 in store ($27 at Home Depot,
![Lasko 20 in. 3 Speeds Box Fan in White with Save-Smart Technology for Energy Efficiency, Carry Handle B20201 - The Home Depot Lasko 20 in. 3 Speeds Box Fan in White with Save-Smart Technology for Energy Efficiency, Carry Handle B20201 - The Home Depot](https://images.thdstatic.com/productImages/e350673b-c7af-4b10-a8ce-df2bcbf14017/svn/white-lasko-box-fans-b20201-c3_600.jpg)
Lasko 20 in. 3 Speeds Box Fan in White with Save-Smart Technology for Energy Efficiency, Carry Handle B20201 - The Home Depot
![Dreo Tower Fans for Home, 36" Standing Floor Fan with Remote, 90° Oscillating Fan, 24 ft/s High Velocity, LED Display, 4 Speeds, 4 Modes, 8H Timer, Quiet Bedroom Fan - Walmart.com Dreo Tower Fans for Home, 36" Standing Floor Fan with Remote, 90° Oscillating Fan, 24 ft/s High Velocity, LED Display, 4 Speeds, 4 Modes, 8H Timer, Quiet Bedroom Fan - Walmart.com](https://i5.walmartimages.com/asr/a64a937c-0576-41b4-b021-5ea0a09600b6.a8e06e5dbbf29c9b346a441c1cc01e59.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Dreo Tower Fans for Home, 36" Standing Floor Fan with Remote, 90° Oscillating Fan, 24 ft/s High Velocity, LED Display, 4 Speeds, 4 Modes, 8H Timer, Quiet Bedroom Fan - Walmart.com
![Lasko 3733 Box Fan, 3-Speed, 20-Inch, White : Buy Online at Best Price in KSA - Souq is now Amazon.sa: Home Lasko 3733 Box Fan, 3-Speed, 20-Inch, White : Buy Online at Best Price in KSA - Souq is now Amazon.sa: Home](https://m.media-amazon.com/images/I/815JwN0lQoL._AC_UF350,350_QL50_.jpg)