Professional Materials】Filter material for dust replacement, non-woven fabric, activated carbon cloth. Soft and gentle, disposable every day without precaution. 【Innovative Five-layer Protection】1st layer of spunbond cloth filters micron-level dust. 2nd layer filters industrial pollutants, automobile exhaust, passive smoking, and pollen allergens. 3rd layer of active carbon cloth filters micron-level dust. 4th layer offers filter density for smaller material. 5th layer of spunbond cloth filters out all kinds of harmful substances. 【Powerful Filter Effect】Compatible with most available on the market.About 98% pollen shut out! Filters can prevent airborne particles, dust, seasonal allergies, smog, pollution, ash, garden pollen, etc. 【Wide Range of Applications】Used in combination to protect against dust, vehicle emissions, and smog. Ideal for cycling, running, biking, hiking, skiing and for other outdoor activities. PLEASE DO NOT WASH THESE WITH YOUR MASKS! One use each time. Your face cover however CAN be reused as much as you want.
5 Layer Activated Carbon Filter Insert