The KN95 Mask is a standard for respiratory equipment which filters 95% of particulates greater than 0.3 microns. KN95 masks are a PPE.
You can view the recent EUA submitted as May 7th 2020 by the FDA here.
Filtering Performance: equal to 95% @ 0.3 Micron or greater
For further information regarding filtration of the COVID-19 virus please see our recent article here:
Consumable Return/Cancellation Policy
Due to the nature of consumables, all abrasive sandblasting media, disinfecting sprays, hand sanitizer, face shields, and KN95 Face Masks add in other PPE products are non-returnable and not subject to our standard Return Policy.
All sales are final and orders are not cancelable.