The most versatile mask available providing excellent filtration against most types of pollution a cyclist is likely to encounter Uses a Dynamic Activated Charcoal Cloth filter to filter the worst of urban pollution Also uses a Hepa-type filter to screen out sub-micron pollutants such as pollens & respirable dusts
Includes: two Techno valves to allow easier exhalation which is particularly important as they release heat water vapour & Carbon Dioxide Comes in two sizes with a contoured shape for a good seal & comfortable fit & Velcro pads for easy application Made from hypo-allergenic Neoprene giving a comfortable & secure fit The filter is replaceable & is designed to be effective for at least 1 month in normal daily use