<b>3 Pack PM2.5 Dust Mask, Reusable Breathing Valve Mouth Masks, with 6 Pcs PM2.5 Activated Carbon Filter Protection from Dust, Pollen, Pet Dander</b><br><br> <b>Features:</b><br> 1. The adjustable elastic buckle makes comfortable wear.<br> 2. Nose part design gives large space for free breathing.<br> 3. Adjustable metal nose piece can get fit with different face shape and seal better.<br> 4. A 5 layer PM2.5 filter helps to prevent dusts and other small particles.<br> 5. Fine Polyester fiber provide soft, comfort and good moisture permeability.<br><br> <b>Cleaning Method:</b><br> 1. Plug-in PM2.5 filter can not be cleaned, suggest to replace once a week.<br> 2. Clean with neutral detergent.<br><br> <b>Package Includes:</b><br> 3 * Dust Masks<br> 6 * Activated Carbon Filter<br>