Black Reusable Cycling Face Mask Breathing Valve Active Carbon Filter for Unisex

Breathable Outdoor mouth mask Unisex face mask protection Mask replaceable active carbon filters removes over most dust, fumes, pollen, haze, chemicals etc. This dust mask will help you breath in a cleaner, healthier way.The ear loops are easy to adjust so the mask can fit perfectly over your nose and mouth.There has a nose clip can be shaped to increase mask sealing effect, and avoid the fog of glasses when breathing.This dust respirator can be used to protect you from harmful dust particles, PM2.5, pollen season and outdoor such biking, riding The mask shell can be washed when they get dirty and the filters are replaceable.The mask can be used for more than 2 years, and the filter is recommended to be replaced once every 30 day (please replace the filter in time if it is black or damaged)