Our Mask come with two 5-layer filters.
*Fine denier polypropylene fabric, with soft, warm, good moisture permeability
* Filter protecrts against PM2.5 particles, fog and haze, industrial pollution, vehicle exhaust, dust, second hand smoke, pollen.
*The filters should be replaced every 5-7 days.
*Re-usable
* adjustable nose piece for individual comfort.
Protect Yourself and Protect others.
PM2.5 particles can stay in the air from hours to weeks and travel long distances because it is smaller and lighter.