Mornig mask - nano filter mask - light and easy to breath . :This mask has excellent adhesion due to its human body engineering design so very comfortable when you wear it. :Nano fiber filter is a physical filter that lasts for a long time . This filter is composed of dense nano structures that can filter the particles of P.M. 1.0 . (usually 3 ply mask can filter the particles of P.M 2.5 ). : wire nose frame and high elastic band : individual packing : safty tested by KATRI
