Even so, research shows the Corsi-Rosenthal Box performs better than other, more expensive air purifiers. MERV-13 filters have a lower filtration efficiency than HEPA filters, but the box makes up ...

Corsi hoped to reach as many people as possible who couldn't put down hundreds of dollars for a commercial HEPA air filter. The DIY solution, called the Corsi-Rosenthal (CR) Box, was codesigned ...

When wildfires threaten people's communities, human health is impacted far beyond the inferno. Residual smoke distributes in the breeze, infiltrating homes, schools and offices. To help people ...

Richard Corsi demonstrates the airflow of a low-cost, DIY air cleaner that can remove indoor pollutants such as smoke particles and respiratory particles. It may also reduce the spread of airborne ...