DIY air filter also known as the Corsi-Rosenthal box or CRbox. MERV 13 filters and a fan!
Sometimes we need to bring our own air filters. #BYOHEPA These portable solutions will not clean entire spaces well enough to drop other precautions like masking. The physics of air movement make it difficult to recommend reliance on a personal… Read More »Personal Air Filters
UConn Health Rallying Community to Stop Spread of COVID-19 December 29, 2021 | Kim Krieger – UConn Communications “COVID-19 transmits more easily in overcrowded and poorly ventilated places. To address this, UConn Health has united the UConn community to kick off an Indoor… Read More »UConn
These are pictures of each tweet of someone who has built a CR Box, and all are linked to the actual tweet. This is by design so that you can click on the tweet, and ask any questions you might… Read More »The Corsi/Rosenthal Box Hall of Fame
Also known as a Corsi-Rosenthal box, this DIY method of building your own air filter with MERV13 furnace filters and a box fan are an easy and cost-effective way to help clear indoor air from airborne virus particles, wildfire smoke, pollen, dust, and more!
If you can seal a box, you can build one (or 100!) of these!
Read More »DIY box fan filters – Corsi-Rosenthal box
Answers to the most frequently asked questions regarding the DIY box fan air filter solution, also known as the Corsi-Rosenthal box.
