Cycling Mask With Filter Protective Activated Carbon Anti-Pollution Sport Training Bike Facemask black

Description

Changeable filter, PM2.5 active carbon filter to stop smog and haze effectively. Both 2 sides of face mask are breathable so as to reduce respiratory resistance, free to breath and free to go forward. Suitable for dust, anti-vehicle exhaust, anti-pollen allergy, PM2.5,for cycling, hiking, skiing and other outdoor activities