Joey Fox on Twitter
Great Twitter thread on HEPA filters
Sharyn Blum on Twitter
Great thread on cleaning air—how long it takes with types of fans and filters:
Lazarus Long on Twitter
All of these families had Covid show up AT HOME, with one family member - and infect no one else.
And all of them had #CorsiRosenthalBoxes at the heart of their #CleanTheAir plan.
Now? A new thread to help weave this tapestry of #CleanAir with #HEPA.
HEPA, HEPA, HEPAAAAS! Quote Tweet Lazarus Long @LazarusLong13 ·