4 ms·
With my experience around poorer schools in the USA I would worry that the filter wouldn’t get replaced for decades and itself become a breeding ground for mold
by plasticchris 2y ago
With my experience around poorer schools in the USA I would worry that the filter wouldn’t get replaced for decades and itself become a breeding ground for molds.
- erikvanoosten 2y agoYou don't need poor schools for that. Just ~3 years ago exactly this happened to a public primary school in a rich neighborhood of Haarlem (The Netherlands). If I remember correctly, the filters had not been replaced for 8 years.