buy PM2.5 Mask Respirator Filter online


PM2.5 Activated Carbon Filter Replacement 5-Layers.  These filters are 5-Layer Activated Carbon Filter inserts. (anti-sticking cloth + filter cloth + activated carbon + efficient filter cloth + anti stick cloth). “PM” refers to particulate matter—particles in the air. Those particles are things like organic dust, airborne bacteria, construction dust, and coal particles from power plants, smoke, pollen etc. “2.5” refer to microns (AKA micrometers). Microns are tiny. These can filter particles down to 2.5 microns.

Air Pollution Face Mask with PM 2.5 Filters made of soft cotton material, breathable, washable and reusable. New Lab tested filtration technology filters over 95% of pollution, apply to PM 2.5, haze, dust, pollen,and and other protection.