20X Level 2 or 3 Ply Ear Loop Medical Grade Face Mask Box of 50 PM2.5

Medical Grade Ear Loop Face MAsk Anti Bactarial 3 Ply PM2.5
Viral Filitration Rfficiency 95%
Bactarial Filitration >98% ASTM-F2101
PFE>98% ASTM-F2299
Delta P <5.0
Fluid Resistance to Synthetic Blood
Flame Spread Class 1-16 CFR Part 1610