Meded Anti Pollution PM 2.5 Black Mask and Respirator

Meded Anti-pollution mask, protection from PM 2.5, dust, pollen - will protect you from the hazards of pollution and especially PM 2.5 better than regular masks. 4 LAYER MASK - The first layer is 100% cotton 80G,the second is hot air cotton 55G ,the third layer is PP melt-blown fabric 30G,the fourth layer is gauze and lining cloth N90 FILTER - Filter protects from tiny particle, bacteria, smoke and pollen etc Confortable fit with adjustable nose bridge bar and ear loop, face mask is washable, filter is not washable 3 extra filter provided for better than any other brand.