Lightweight Particulate Respirator 8210, N95, Standard Size, 20/Box NIOSH approved for at least 95 percent filtration efficiency against certain non-oil based particles. Two-strap design with welded dual point attachment helps provide a secure seal. Cushioning nose foam. Adjustable noseclip helps provide a custom fit and secure seal. Lightweight construction promotes greater worker acceptance and may help increase wear time. Advanced electrostatic media is designed for ease of breathing.