3M Professional Multi-Purpose Respirator 3M Tekk Protection™ 3M Professional Dual Cartridge Multi-Purpose Respirator. For workplace/occupational applications only. Valved for heat reduction and easier breathing. Use for certain mold, lead and sprays from coatings and sealants as well as for odors from chemical strippers, stains, varnishes, paints, pesticides, etc., Particulate matter (dust from sanding, sawing, grinding, sweeping etc.). NIOSH approved: OV/AG/P100. Size = Medium/adjustable. NOTE: Always read full user instructions and warnings included with the product before using. Improper use may result in sickness or death.