NIOSH approved for at least 95% filtration efficiency against certain non-oil based particles. 3M™ Cool Flow™ Exhalation Valve. Advanced electret media is designed for ease of breathing.

3M™ Cool Flow™ Exhalation Valve helps reduce heat build-up inside the respirator and provides comfortable, reliable worker respiratory protection. M-Noseclip adjusts easily for fewer pressure points and greater comfort. Braided headbands two-strap design with dual point attachment helps provide a secure seal. Ideally suited for hot/dusty work settings that require long periods of wear.