3M Paint Project Respirator 6311 Large 3M Tekk Protection™ 3M Dual-Cartridge Paint Project Respirator. 6000 series. For spraying paint, using solvents and applying pesticides. NIOSH Filter Approval Rating: OV/P95. Reduces odors from chemical strippers, stains, varnishes, paints, pesticides, etc., Particulate matter (dust from sanding, sawing, grinding, sweeping etc.). Valved. Size = large. NOTE: Always read full user instructions and warnings included with the product before using. Improper use may result in sickness or death.