Flexible silicone-Made of food-grade silicone materials.-Silicone has good mechanical strength, abrasion resistance and high temperature resistance.-Does not melt after heating after curing.Product number:Series: Full-face anti-virus seriesMaterial: PETBreathing valve device: YesSingle / double filter cartridge (cotton): doubleDustproof / antivirus / dustproof poison: dustproof poisonRange of use: anti-organic gasMask style: head-mounted1.Hold the end of the strap with both hands and pull it out so that the mask can completely cover the nose and mouth area, and connect the fasteners behind the neck to seal the mask with the face.2.Pull the end of the strap again to tighten it further.3.Before use, check the mask to determine if it is properly sealed.4.During use, if the user smells an odor or the resistance to inhalation increases, the service life of the filter cartridge has expired, please replace the filter cartridge or filter cotton immediately.Special precautions for users1.Please do not use this mask when the oxygen concentration is below 18%.2.Please do not use in the following cases.Unknown hazardous substances Concentrations of harmful substances reach concentrations that immediately endanger life and health When you smell or taste a harmful substance.3.Pre-use training should be performed by qualified persons before use.
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