Description
- 1. Align the tip of the upper part of the silicone ring with the tip of the upper part of the mask body, and put the narrow edge of the silicone ring on the outer edge of the mask body.
- 2.Insert the silicone tape into the small holes on both sides of the mask.
- 3.Place the filter chip in the large cover plate and press down with the small cover plate until the two cover plates are sealed and tight.
- 4.Install the cover plate from the inner side of the mask. The cover plate and the mask body are sealed and tight.
- 5.Anti-fog, anti-dust, anti-small particles and other harmful substances.
Full description not available
