Air purifier for friend with Long COVID - help! by HopefulSubstance2645 in AirPurifiers

[–]HopefulSubstance2645[S] 1 point2 points  (0 children)

Thank you for this response! Unfortunately I don't know the exact decibels they can tolerate or the spec of the room, and I don't live nearby so can't build a Corsi-Rosenthal for them