Vogmask hummingbird n99cv mask l

 Product Use: Vogmask Hummingbird N99CV Mask: Salient features of Vogmask Hummingbird N99CV Mask:Quality Management and product safety.N99 filter layer, carbon filter, exhale valve.Filtering textile protects from 99% of airborne particles over .3 microns. Superior protection for PM 2.5 particles in air pollution.Meets NIOSH N99 particle filtration criteria for filter efficiency as stated in 42 CFR Part 84.