Answer
Jul 29, 2026 - 08:59 AM
This 3M 8511 Particulate Filter Respirator N95 Cup Face Mask with Exhalation Valve is NIOSH approved, providing at least 95 percent filtration efficiency against certain non-oil based particles. NIOSH, the National Institute for Occupational Safety and Health, certifies this mask’s effectiveness, making it highly valuable for protecting users from hazardous airborne particles in both industrial and healthcare settings. The exhalation valve also enhances comfort during extended wear.
