KN95 face mask Power consumption Head Ready Stock Black and

Head Ready Stock Black and Body White

Globe Valve

Part of neck and back are opened to show vertebral column

Boiling Flask

KN95 face mask Power consumption Head Ready Stock Black andKN95 face mask KN95 face mask This respirator is for at least 95 percent filtration efficiency against certain non oil based particles and aerosols. Five layer design, filter the pollution, gases, odors, dust, pollen, smog, PM2. 5, germs, bacteria effectively. 3D and light weight design, initial pressure drop makes you breathe easier. High quality elastic earband, easy to wear and comfortable. Corvid 19 (coronavirus) these masks help with mitigating