20pcs PM2.5 Filter paper Anti Haze mouth Mask dust mask Filter paper Health protection Adult for chiild kids mask filters

20pcs PM2.5 Filter paper Anti Haze mouth Mask dust mask Filter paper Health protection Adult for chiild kids mask filters kn95

The filter element of this mask has 5 layers of protection, bringing you a safe breathing experience

Special 5-layer activated carbon filter can effectively filter PM2.5 haze, dust and other fine particles

Prevent second-hand smoke and automobile exhaust. The filter cannot be cleaned. It is recommended to replace it once a week