Features:Headwear type does not fall off, size free adjustment.3D cavity, no holding your breath, no mouth.Three-layer stamping forming, better filtering effect.Underwear homogeneous material, soft and comfortable.High quality 3M injection hook, bonding firm without deformation.Lengthening environment-friendly Vel cro tape without catching hair, the size is elastic and can be adjusted as you wish.Original hot stamping technology, no stitching, no delamination, no rubbing.3D cavity design, hand stitching, fashionable and beautiful.Breathing separation, two intelligent air supply. The airflow becomes orderly and effectively transformed to improve the filtration efficiency and significantly improve the comfort level.3D silicone ring sealing design, no fog for wearing glasses in autumn and winter, breathing more freely.Two modes of wearing: ordinary wearing (to meet daily needs, the silicone seal ring is naturally attached to the face); Encryption wear (wear glasses to effectively prevent fog, turn over the silicone ring on the Internet, stick in the nose on both sides, appropriate debugging fit position).Suitable for: haze, flu, cycling, pollen, painting, polishing, welding, painting, carpentry.Specification:Material: ultrafine fiber; Nose clip: all-silica gel; Cover material: science and technology textile cloth, all silicone sealing ringColor: blackStyle: hood styleLevel of protection: KN95Whether there is a breathing valve device: yesFiltration effect: H12Can we change the filter element: YesFunctions: anti-haze, PM2.5, formaldehyde, dust, pollen, electric, air supplyPackage included:1 x Intelligent Dustproof Electric Mask
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