Particulate matter (PM2.5), refers to particles in the air that cause pollution. These particles are from a variety of sources, both indoors and outdoors.
The high-tech material of our replaceable masks filters makes it effective for filtering particles as small as bacteria and viruses (COVID-19) for defense against PM2.5.
Comparable to N96 masks in performance, these filters are good for 3-5 days of consecutive use.
This PM2.5 filter signs you up for an auto-ship program for 8 insert replacement each month.