N95 respirator MS-21

valvelessduckbillunisex

Particulates for which these respirators provide protection include contaminants such as dusts, fumes, mists and smoke. Filter Efficiency >95% against 0.26 micron NaCl Aerosol airflow at 85 Liter/Minute. Average Maximum % Leakage of 2.5% Inhalation Resistance average of 9.4 mm H2O. Exhalation Resistance average of 12.6 mm H2O. 100% ultrasonically machine manufactured without manual intervention. Excellent inhalation / exhalation performance eliminates requirement for valve and therefore potentially dangerous valve leakage. Soft twin wired 8.5 mm aluminum nose clip molds easily on the nose to prevent leakage, mist and perspiration. Available in different colors.