Features:
?95% BFE (Bacterial Filtration Efficiency) up to 3.0 Microns
Three Layer Protection Filters
Eco-Friendly and Adjustable Nose Clip for a Proper Fit
Disposable and Maintenance-Free
Intended for use as a General Use Mask Only, Not for Medical Use
https://www.costco.com/homedics-e…67311.html