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 News Center - 3M Stories

海外“抗疫钉子户”人手一台的CR-BOX，到底有用吗？-36氪

Resources - Corsi-Rosenthal Foundation

Corsi–Rosenthal Box - Wikipedia

Philadelphia School District parents are making Corsi-Rosenthal boxes to purify classroom air

COVID-19 Resources – Norma Rose Point Elementary School Parents Advisory Council

3M Japan ニュースセンター - 3M ストーリー

3M on X: The #CorsiRosenthalBox movement continues to take classrooms by storm, and we can confidently say that this #DIY air purifier works! Tested by 3M scientists, Corsi-Rosenthal Boxes are proven to