Antibacterial protective mask with nano-silver insert. The highest quality universal protective mask intended for external use. Effectively protects the upper respiratory tract against the external environment, microorganisms and viruses. It is a Polish product. Technical data: * Material: * Outer layer: polyester + cotton fabric * Inner layer: 100% cotton compliant with STANDARD 100 by OEKO-TEX * Insert - 100% polyester with nano-silver 100ppm. * Usage time: * 8 hours in a highly bacteriological environment * 16 hours in a normal environment The use of nano-silver does not reduce the effectiveness of the mask for external use. * Storage: * Unused cartridges with active nano-silver should be stored in a tightly closed package. * Filter cartridge classification: * According to EN779.2012 standard - Class M6 Test Report Number FCD 150601_FW1 Fiatec filter & Aerosol Technicoligie Gmbh. * According to directive 89/686/ŁWG - class and manufacturer's approval PZL Sędziszów * Mask washing: * The mask without insert is washable. * Washing temperature - 60°C * Requires ironing before reuse Catalog number: - MOAB Product features: * Highest quality * Polish product * Manufacturer PZL Sędziszów The price in the price applies to one piece or one running meter (depending on the item in the advertisement). You can buy one piece or one meter of the item even though it is stated in the advertisement that it is packed collectively (we will complete the packaging for you and send as much as you order).