Product Description KN95 Respirator Technical Specs 鈼廋E (Module B+C2 , NB2163) , FFP2 Grade; 鈼廙eeting All Requirements of EU Standard : EN 149:2001 + A1:2009, FFP2 ; 鈼廗N95 Approved, China Standard: GB2626-2019; 鈼忊墺95% Filtration efficiency against Non-Oil Particulates; 鈼? Layers in which 2 Layers are Meltblown; 鈼廔ndividual Package for Every Single Piece; 鈼廎irm, Elastic & Comfortable Earloops Fitting Different Face Shape 鈼廝acking Box and Individual package with Different Global EAN Barcodes, 鈼廙FG and EXP. Date Actively Printed on Packing Box ; 鈼?0 Pcs / Box , 800 Pcs / Carton . Important Notes: 1. Non-Sterile; Non-Medical; This is NOT a surgical mask and not for surgical use 2. Not suitable for harmful gases and steam. 3. Not suitable for hypoxic environments, underwater operations or fire fighting. 4. Not for children. Adult use only. 5. Design and packaging may vary from batch to batch. 6. FDA registered and CE certified. 7. Please note, due to the nature of this item there are no refunds, exchanges or returns. CertificatesProtective Face Mask website:http://www.xiuyuanmedical.com/protective-facemask/