Colour Name:Black Features: Face mask with PM 2.5 filters made of soft cotton material, breathable, washable and reusable. With adjustable nose bridge and hook strap for a variety of faces, easy and convenient to carry. Turbidity mask with a breathing valve that automatically opens and closes so you can breathe calmly. New Lab tested filtration technology filters over 95% of pollution and applies to PM 2.5, haze, dust, pollen, viruses, bacteria and other protection. Package includes: 2 x cotton masks; 4 x interchangeable filters. Description: Features: 1. Cotton fabric, comfortable and soft 2. Breathable, washable and reusable 3. The length of the widened and highly elastic ear band can be adjusted as desired. 4. Each mask with 2 activated carbon filters should be replaced once or twice a week Specification: Material: cotton, with filter Mask size: approx. 9 x 5.5 inches. How to use: 1. Open the face mask and insert an activated carbon filter. 2. Cover the nose and mouth with a mask 3. Adjust the buckle on both sides of the mask to the best position 4. Adjust the nose clip to your nose Note: Please allow 1-2mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package included 2 x mask. 4 x filters.
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