Comment on Do air purifiers really reduce dust much?
Davel23@fedia.io 2 days agoShould probably point out that "mm" in this case is micrometers, not millimeters.
Comment on Do air purifiers really reduce dust much?
Davel23@fedia.io 2 days agoShould probably point out that "mm" in this case is micrometers, not millimeters.