CDC APPROVED LIST OF MASKS: https://www.cdc.gov ...
2. #110350 ForPro KN95 Face Mask ($32.50/box of 10 OR $28 when you purchase 50 boxes or more): ForPro KN95 Face Mask is an industry standard and filters 95% of particle with a mass median diameter of 0.3 micrometers. This provides protections from PM10, PM2.5 and even smaller particles. CDC Approved alternative. Individually-wrapped.