3M scientists: This Corsi-Rosenthal box movement is legit

Indoor air quality is having a moment. 3M scientists tested the DIY Corsi-Rosenthal boxes and concluded that they are effective.

This Young Scientist Built 120 Corsi-Rosenthal Boxes - 3M

3M News Center - 3M Stories

3M Korea News Center - 3M 스토리

3M Japan ニュースセンター - 3M ストーリー

Frequently Asked Questions – CleanAirKits

3M News Center - 3M Stories

Bionaire® True HEPA Smart Air Purifier Enabled By WeMo®

3M News Center - 3M Stories

海外“抗疫钉子户”人手一台的CR-BOX，到底有用吗？-虎嗅网

How a $100 box is changing the way people protect themselves against coronavirus