Replaceable active carbon filters removes over most dust, fumes, pollen, haze, etc. This dust face cover will help you breath in a cleaner, healthier way. The ear loops are easy to adjust so the face cover can fit perfectly over your nose and mouth. Size can be adjusted to meet most people head type. It has a nose clip can be shaped to increase face cover sealing effect, and avoid the fog of glasses when breathing. This dust respirator can be used to protect you from harmful dust particles, vehicle exhaust, woodwork, pollen allergies, and fumes. Ideal for people at risk of respiratory diseases, living in or travelling to areas with high air pollution / smoke levels. The face cover shell can be washed when they get dirty and the filters are replaceable.