Many people have asked for a smaller version of the Corsi/Rosenthal Box Air Cleaner. In the spirit of the “open source” cooperative approach there have been several versions pictured on Twitter. These excellent examples inspired me to build one myself. Here is the result – a Mini-Corsi/Rosenthal Box!

https://www.texairfilters.com/a-mini-corsi-rosenthal-box-air-cleaner/