A specially developed mask to provide City cyclists with broad spectrum filtration against pollution .
Uses a Dynamic Activated Charcoal Cloth to filter the worst of urban pollution .
Includes two Techno valves to allow easier exhalation which is particularly important as they release heat water vapour and Carbon Dioxide .
Comes in two sizes with a contoured shape for a snug and comfortable fit and Velcro pads for easy application .
Made from hypo-allergenic Neoprene giving a comfortable and secure fit .
The filter is replaceable and is designed to remain fully effective for at least 1 month of normal daily use in the urban environment .