<p>Material: High Quality Polyester Fiber & Activate Carbon</p> <p>Applicable Gender: Neutral (male / female)</p> <p>Features:</p> <p>1. The adjustable elastic buckle makes comfortable wear.</p> <p>2. Nose part design gives large space for free breathing.</p> <p>3. Adjustable metal nose piece can get fit with different face shape and seal better.</p> <p>4. A 5 layer PM2.5 filter helps to prevent dusts and other small particles.</p> <p>5. Fine Polyester fiber provide soft, comfort and good moisture permeability.</p> <p>This cover Use For:</p> <p>Particles such as those from grinding, sanding, sweeping, sawing, bagging, or processing minerals, coal, iron ore, flour, metal, wood, pollen, and certain other substances. Liquid or non-oil based particles from sprays that do not also emit oil aerosols or vapors.</p> <p>Do Not Use For:</p> <p>Gases and vapors, oil aerosols, asbestos, arsenic, cadmium, lead, 4,4'-methylene dianiline (MDA) or sandblasting; concentrations that exceed 10 times the PEL/OEL and other applicable government regulations.</p> <p>Cleaning Method:</p> <p>1. Plug-in PM2.5 filter can not be cleaned, suggest to replace once a week.</p> <p>2. Clean with neutral detergent.</p> <p>Use Limitations:</p> <p>1.This cover does not supply oxygen. </p> <p>2.Do not use when concentrations of contaminants are immediately dangerous to life and health, are unknown or applicable government regulations.</p> <p>3.Do not alter, abuse or misuse this cover.</p> <p>Safety Warning:</p> <p>1. If cover becomes damaged, soiled, or breathing becomes difficult, leave the contaminated area and replace the cover.</p>