25pics per box！
6-layer filtration: It can effectively filter 95% of PM2.5 fine particles in the air, preventing fine dust, solid and liquid particles from invading.
High-quality materials: using safe and reliable filter materials, comfortable and breathable, no odor.
Ergonomic design: The elastic earband makes you comfortable to wear for a long time, and the adjustable nose clip helps to obtain a firm seal.
Independent packaging: safe and hygienic, easy to use.