Price: 0.70-0.90 USD ($)
PM 0.3 MASK is made up of high efficiency nanofiber material with non return valve for easy breathing. It efficiently filters the atmospheric particulate matter 0.3 and defends against haze, invisible killers like bacteria and viruses, automobile exhaust fumes, second-hand smoke, formaldehyde, dust mites, volatile chemicals, air polluted poison gas, block droplets, fluids and secretions, respirable particulate matter due to automobile exhaust fumes and so on.
Widely used in industries, medical setups, public occasions etc. The filtration efficiency, ventilation, safety and others are greatly beyond the ordinary masks.