Veemask N99 Anti Pollution Face Mask with Two Valves

Its for the protection for PM 2.5 particles in air pollution and other microscopic airborne contaminants. Dual exhalation valve facilitates the exit of moisture and CO2 from the interior of the mask. Inner and outer layers made from organic cotton. Trim and ear loops are made with latex-free spandex. 95% particle filter and carbon filter are sewn into Vogmask to help protect from ≥95% of airborne particles as small as .3 microns such as dust, pollen, shavings and contaminants from wildfires and air pollution. Helps reduce exposure to airborne biological particles, and filters odors. Filter media allows easy breathing resistance O2+ are reusable for about 3-6 months depending on air quality conditions. Hand-wash only to extend usable life of mask, Washable and Reuseable Large is for most adults over 140 lbs / 60 kg. Medium is for 12 years and older. Small is for under 12 years.