Advanced Filtration Technology: The element of this insert has 5 layers of protection, bringing you a safe breathing experience.
Warm Tips: Masks Replacement inserts disposable supplies cannot be washed. Recommend replacement of 1~2 times a week.
Unique Ventilation Design: Excellent permeability easily be doubled up for extra protection. Suitable for prevent fog, haze, vehicle exhaust, passive smoking,etc.
Reusable Material: Made of active carbon filter,it cannot be cleaned. So,it is recommended to replace it once a week. mask for air pollution