This mask is very good to prevent dust and dust from being processed during the processing of coal, iron ore and quartz-containing minerals or other materials (such as cotton, flour, etc.)
1080p waterproof color night vision Wi-Fi CCTV two way audio camera 1. Supports WiFi and Wired connection modes 2. Professional imaging ISP, low illumination technology 3. Smart H.265+ compression technology, with more clear image and less storage 4. High
The protective mask is composed of a protective cover, a foam strip and a headband.The material of the protective cover: PET (after strict anti-fog treatment, without latex and glass fiber).The material of the foam strip: sponge (all passed the ROHS and R
Made of micro fibre electrostatic melt-blown and hot air cotton, and PP spun-bonded non-woven fabric, making it to be 5 layers filtering so that to filter the hazardous substance, in accordance with the KN95 standard.