NIOSH Approved Particulate Dust Mask w/ Exhalation Valve (120 dust masks per case) Regular Price: $160.80
Sale Price: $114.86
This NIOSH (National Institute for Occupational Safety and Health) approved dust mask is more expensive than our standard NIOSH approved dust mask, because it comes with a exhalation valve. to the market. They come packaged 10 masks per box, and 12 boxes per case. The N95 particulate filter has a 95% efficiency level, and is effective against particulate aerosols that free of oil. Time use restrictions may apply.