Safety Works 817633 Dust Respirator 2 Pack NIOSN N95

Pack of 2 harmful dust masks. Improves the user's comfort level because the low-profile exhalation valve reduces heat build up near the face. Helps to protect from exposures to harmful particulates such as those created during the sanding or sawing of wood, installing fiberglass insulation or sanding drywall. Approved by NIOSH as an N95 respirator, meeting the NIOSH 42 CFR 84 respirator certification regulations and tested to a 95 percent filter efficiency level.