The Respro City mask offers screening from the inhalation of nuisance dusts and odours associated with vehicle exhaust emissions. The filter (DACC) used in the mask, has been specifically developed for filtering a wide variety of dusts and odours commonly found in major cities. The two Techno™ exhalation valves allow unwanted heat, carbon dioxide and water vapour out ensuring comfort as well as function.Like the other Respro masks it has a contoured design ensuring it ‘seals’ comfortably. It is manufactured from Neoprene.