PM2.5 Dust Mask Activated Carbon With Filter Anti-Pollution
Cycling Sport Bicycle MTB Bike
Face Mask Colorful Protect Health
1: Put the mask on the bridge of the nose and chin
2: The back of the mask is fixed with a Velcro
3: A malleable aluminum nose bridge clip is installed on the bridge of the nose, which can be adjusted according to different face shapes and nose shapes of each person, suitable for various face shapes, high density
4: Check if it is suitable. Cover your hands and breathe hard at both ends to see if air can flow.
5: Adjust the tightness of the mask by adjusting the Velcro on the back