The filtration efficiency (dust-removing rate) of KN95 dust mask is more than 95% for non-oily particulate matter above 0.075 microns.

M-shaped nose clip, dust mask is cut in 3D fits almost any size/shape face, 360° protection. 3D three-dimensional ventilation space, more comfortable breathing.

Adopt electrostatic super filter element can filter out dust, germs, and particles in the air, Prevent the spread of influenza, respiratory system and other infectious diseases.

One size fits most. Widely used in airports, bus stops, shopping malls, parks, restaurants and other crowded places.

http://www.cnpreface.com/