Zairus Technologies (M) Sdn Bhd respiratory masks & filters range are approved for use against the dust, particle, mist, aerosol, fumes and gases in accordance to EN140 and EN136. There are many potential respiratory hazards and air pollutant in workplace such as dusts and particles from processed materials such as metal, fiberglass and asbestos or condensation such as pesticide spraying. Fumes, gases, smoke and vapours constitute an additional risk, as do air- bone micro- organism bacteria, viruses and spores and radioactive particles. It will protect user from any harm that cause diseases or infections into their lungs and respiratory system.