product name: KN95 self priming filter anti particle respirator The main ingredients: This product consists of non woven fabric, filter cotton, melt blown cloth and ear band Product model specifications: 17.5cm X 9.5cm (each earband :18cm) Use range: Suitable for protection against harmful particles such as dust, PM2.5 haze particles, droplets. And has the function of preventing wind and cold Implementation standards: GB2626-2006 in China which has been classified as equal to N95 (NIOSH 42C-FR84) and FFP 2 (EN149-2001) How to wear: Open the mask with the bridge of the nose on top and press the bridge of the nose tightly after wearing for better protection. The filtration efficiency of non oily particles of 0.3 microns is more than 95% Packing : 3pcs /Individual bag , 50 bags/Carton(1500pcs) Carton Dimension : 60X40X50cm Gross weight: 9.05kgs Product Display Kn95 Self Fimbibition Filter Respirator Against Particulate Matter