The N95 is the most well-liked series of particulate respirator masks that meet United States government standards. The face masks are tested to reduce publicity to airborne contaminates by NIOSH – the National Institiute for Occupational Safety and Health. NIOSH has nine total approval classes, N95, N99, N100, R95, R99, R100, P95, P99, P100 organized by oil compatibility and filter efficiency. The letter signifies how the filter tests in environments exposed to grease aerosols: N95, N99, & N100. These filters…