KN95 Mask is the EU equivalent of the US N95 standard and is recommended by the World Health Organisation (WHO) during the outbreaks of SARS, coronavirus, and avian flu. It offers protection from deleterious substances in the air such as lead dust, as well as aerosols, and smoke, it is, therefore, a popular mask in mining and metal industries, and agriculture, and is the go-to mask for healthcare professionals to protect against influenza.