Specifications: Layers: 4 Layer Filtration System Certifications: EN149:2001 + A1:2009, GB2626-2006, CE, FDA, ISO14001 Size: 16.5 x 11cm Material Spec: Non-Woven Fabric, Melt-Blown Fabric Filtration Level: CE FFP2 / NIOSH 95 / KN95 Masks/Box: 10 Masks a Box Boxes/Carton: 100 Boxes a Carton Masks/Carton: 1,000 Masks a Carton N.W. / G/W. : 5kg net weight / 9.04kg gross weight Carton Dimensions: 58 x 56 x 35 cm