IRONHEAD 2 PCS Cycling Dustproof Mask Half Face Fitness Mask for Bicycle Racing Running Skiing Outdoor Sport Anti-Pollution Sports Mask (Orange yellow)

Features: This breathing mask for air pollution is made of high-quality diving fabric, so it is washable, environmentally friendly, and durable enough to be used within 2 years. The activated carbon filter is replaceable, it is recommended to replace the filter every 20 days (depending on the air condition). The package also contains 3 additional activated carbon filters. Note: Before cleaning ...