Black Respirator Double Filter Reusable Face Mask

Effectively resist the invasion of harmful substances, protecting against dust, liquids and weather. Comfortable to wear: Seal the bridge of the nose improves the adhesion of the item, No falling off, comfortable to wear and the mask is designed with high strength, Respirator valve: double respirator valve. Washable. Thicken Layers Design: Can protect you from dust, car exhaust, pollen, etc.