Treadsafe - Conical Safety Nose Mask - It is light in weight and comfortable to wear for a longer time. It is featured with high filter efficiency and low breathing resistance. There is a pollution-free air filter that gives relief from irritation effects from gases and dust. It comes with an easily replaceable filter. It is mainly used by 2 wheeler drivers and industrial workers. It has an exhalation valve. The nose piece is adjustable and the headband is elastic. The exhalation valve helps in reducing the accumulation of humidity and heat.