3M 9000ING Dust/Mist Respirator, BIS P1, 1000/CS | ISI Approved PM2.5 Anti-Pollution Dust Mask | Pack of 4 Mask, Grey Color Water Resistant, Reusable  (Grey, M, Pack of 4)

Breathe Clean With 3M Anti Pollution Respirator Mask, Which Not Only Saves You From Pollution But Also Saves You From Intake Of Harmful Infectious Germs Present In Air. The 3M 9000ING Is Composed Of Three Layers Of Filters. The Outermost Layer Filters Out The Largest Dust Particles, The Innermost Layer Preserves The Respirator's Shape And The Middle Layer Is Composed Of Electrostatic Filter Media. It Has The Ability Of These Respirators To Filter Above 90% Of 0.3-Micron Particulate Dusts.