Specification . Material: High quality silicone . Color: Gray . Style: headset . Type: Activated carbon mask . Weight: 700g Highlights . Double side is anti-fog and good sealing . Lightweight design-more relaxed . Interface closely to prevent the intrusion of gas . Type: Activated carbon mask . Standard: GB . Protection Object: organic and vapors, chlorine benzene, acetone, alcohols, anilines, carbon dioxide, carbon tetrachloride, chloroform, methyl bromide, methyl chloride, chloropicrin and 1000 kinds of. Item included:. Mask*1. Cartridges with activated carbon*2 Applications: Apply in paint, chemicals, polish, pesticides protection Chemical laboratory, fire inspection equipment, petroleum, mining, metallurgy, fire fighting, disaster relief, health and epidemic prevention and environmental technology. Service: We strive to put our hundred percent to resolve your issues and try our best to achieve your satisfaction! Usage Note . When you use filter sponge/cotton in humid or steam environment, please change it regularly to make sure breath smoothly, as it can absorb steam and dust. Don't use filter sponge in dry working environment, otherwise it will be difficult to breathe . The concentration of the gases depends on the life of the cartridge. Please contact us if you want more info about how long to replace filter in your environment, we will provide our advises. . If you find that the filter has slight carbon leakage of 1-2 tablets activated carbon, do not worry, if there are more than 5 tablets activated carbon, replace the cartridge asap to avoid unsafe usage
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