The secret of mask health lecture hall!

Masks generally refer to appliances worn on the mouth and nose to filter the air in the entrance and exit nose to prevent harmful gases, odors, and droplets from entering and exiting the wearer's nose and mouth. They are mostly made of cloth or paper. Use cutting-edge technology to add Isatis root fiber to the mask to achieve anti-bacterial, anti-bacterial, anti-virus, and usually prepare a few masks for replacement.

1. Mask classification

Activated carbon mask: Using activated carbon technology, it has the functions of anti-virus, deodorizing, filtering bacteria and dust.

Air filter mask: The air containing harmful substances is filtered through the filter material of the mask before being inhaled by people.

Air-supplied mask: refers to a clean air source isolated from harmful substances, which is sent to the human face for breathing through a tube and a face mask through the action of power.

Second, the role of masks

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