MSA Safety Works 10089692 Harmful Dust N95 Respirator with Exhalation Valve, 10-Pack Low-profile exhalation valve reduces heat build up near the face, improving the users comfort level This respirator is approved by NIOSH as an N95 respirator, meeting the NIOSH 42 CFR 84 respirator certification requirements The masks dual elastic straps help keep it positioned properly on the face Helps protect from exposures to harmful particulates, such as those created during the sanding or sawing of wood, installing fiberglass insulation or sanding drywall Produced without latex for users who have sensitive skin