Our 10 Pack Filters include x10 certified PM2.5 Filters. These Filters have
5 important layers including filter cloth and activated carbon layers. Using
a PM2.5 filter can help increase the filtering performance of our reusable
They are easy to use, just slip one inside the pocket layer of our 3-layer
Ensure to replace your filter up to every 7 days depending on amount of
Please discard of any used filters respectfully.
*Please note that due to hygiene reasons, this product cannot be returned or exchanged unless faulty