CoolChange Cycling Face Mask Filter PM2.5 Anit-fog Anti-Pollution Breathable Bicycle Respirator Sports Protection Dust Mask

First-class service to dispel all doubts-CoolChange Official Store Free resend or refund for quality problem Full refund for delivery failed Logistics tracking reminder Item video display service If you still have doubts, please feel free contact us. Product details: Brand: CoolChange Model:Activated Carbon Dustproof Mask Size: One size,free size Gender: Unisex/Men/Women Function: Anti-pollution PM 2.5 Scene: Cycling, Motorcycling, Running, Biking, Trekking, Fishing, Hiking Mountaineering, Camping, Fitness Please be kindly noted，the listed product is produced and distributed abroad and subject to the laws of its country of origin. Function: Suitable for dust, anti-vehicle exhaust, anti-pollen allergy, PM2.5,for cycling, hiking, skiing and other outdoor activities Feature: 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. 1. the mask can be washed and reuse, and the filter is recommended to be replaced every 5 days. (Foggy area, depending on the situation (the filter becomes black or damaged, please replace it in time) 2. the material of the mask is made of mesh cloth, a little smell is normal, you can remove the filter first, (soak in warm water for 15 minutes, the taste will slowly disappear, the activated carbon filter does not can be washed)