photo of a small cardboard box. It contains a cable a white computer fan and a note written on Hello Kitty notepaper.
The Covid Safe Scout Proficiency Badge for making your own Corsi-Rosenthal Box or other DIY air purifier. It is round and in the middle is a box the lid of which is a box fan and the four walls are filters. One side says MERV 13.
The beauty of Covid Mitigation Club is that it has so many kind and good looking members.
Because I am the weirdo who likes to think about fan-filter boxes and have cables and fans and other bits laying about, I have been fortunate enough to be able to help someone […]
[Original post on mas.to]