Single respiratory mask

This mask is composed of four parts: the main body, the filter box, the exhalation valve and the lace, and the lace can be adjusted as needed. The mask has good dense performance and is safe and comfortable to wear. Single filter tank and breathing valve design, extremely low breathing resistance. The filter tank has built-in activated carbon, which can effectively prevent the harm of toxic and harmful gases to the human body. Coming with a soft sweat-absorbing cotton mouth and nose pad, which increases wearing comfort and can be cleaned and replaced. Protect the wearer from inhaling harmful particulate matter (as in dusts, including airborne microorganisms), fumes, vapors, Chemicals or gases.