Ultra Sensitive FogFree Level 3 Earloop Face Mask - White 40/Box. Fluid resistant outer layer with white extra soft hypoallergenic cellulose inner layer and comfort cushion. Unique fogfree strip, free from all inks, dyes and chemicals, BFE > 98%, PFE = 99.8% at 0.1 micron, Latex-Free. Box of 40 masks