The size of the respirator is universal for adults. It filters more than 95% of bacteria and viruses in accordance with protection class N95 (equivalent to FFP2), particles from 0.6 μm in size. At a time when coronavirus COVID-19 (2019-nCoV) is spreading around the world, the use of protective masks is important. You protect yourself and your surroundings.
N95-class protective masks and respirators (KN95 / FFP2) The WHO recommends WHO as a basic protection against the spread of coronavirus and other bacteria or viruses. In addition, it also filters out dust, aerosols, smoke.