- Powerful filter system consists of 5 layer filter material, effectively prevent pollutant like dust, small particle, PM2.5, fog from entering respiratory tract.
- Easy to Replace, Its Recommended to change filter within100 hours
- Perfect size: filters size measures approx. 12.5 x 8 cm/ 4.9 x 3.1 inches, compatible with most dust masks, easy to insert or replace the original one with no problem
- Wide applications: mouth mask filter anti airborne particles dust, seasonal allergies, smoke, pollution, ash, gardening pollen and so on, suit to most occasions
- Safety protection: Ideal to protect your mouth and face from Dust, Haze, Allergies, Pollution, Ash, Pollen, Gardening, Crafts, PM2.5, Vehicle Exhaust, Woodwork, Pollen Allergies, and Fumes