Flat mask
Cotton masks, non-woven masks, polymer masks, activated carbon powder filter masks, activated carbon fiber felt masks.
Air-supplied mask
It refers to a clean air source isolated from harmful substances, which is delivered to the face of a person through a tube and a mask through a power action such as a compressor, a compressed gas cylinder device, etc. for breathing.
Air filter mask
Air filter masks are a large category that are widely used in daily work. The structure of an air filter mask should be divided into two parts. One is the main body of the mask, which can be simply understood as a mask frame; the other is the filter material part, including filter cotton for dust prevention and anti-virus. Chemical filter cartridges, etc.
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