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crbox

DIY air filter also known as the Corsi-Rosenthal box or CRbox. MERV 13 filters and a fan!

UCONN brings DIY air filter to White House

UConn

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