Just like that, the Corsi-Rosenthal box was born. A Corsi-Rosenthal box is a do-it-yourself air purifier made with 4 MERV 13 air filters and a box fan. Photo Credit: Festucarubra / Wikipedia Four ...

For those seeking a DIY alternative, the Corsi-Rosenthal Box is a cost-effective option, requiring only a box fan, five MERV 13 air filters, and duct tape. Instructions are available from the ...

All you need is a box fan, good air filters and some duct tape, and you're in business. NPR has previously posted a design and guide to building an air purifying cube known as a Corsi-Rosenthal ...

Shokunbi’s design, reminiscent of the increasingly popular ‘Corsi-Rosenthal Box’—a DIY air filter that gained recognition during the COVID-19 pandemic—utilizes readily available ...