* KN95 level protection,filtering efficiency up to 95%, PM 2.5 pollution ash.

* The production of our masks strictly follows GB2626-2006 (KN95 standard). The technical requirements and test methods of GB2626-2006 (KN95 standard) are basically consistent with 42 CFR 84 (US standard).

* Activated carbon layer inside can effectively absorb organic smell and odor.

* High-quality elastic ear-loop with no pressures on the ears,makes it comfortable to wear for a long time.

* Close fit to prevent polluted air from entering.

* Nose sponge cushion, soft and flexible nose cushion makes mask wearer feel more comfort.

* Adjustable soft nose clip, fit the bridge of the nose, prevents fogging of glasses block the haze from entering.

* Wide applications: can be used for electronic manufacturing, dust-free workshops, catering services, food processing, schools, motorcycles, beauty, environmental cleaning, public occasions and many other uses. All the filter efficiency indicators are above 95%.