Particularly suitable for flu prevention (e.g. Influenza A/H1N1 Swine Flu) Protection against toxic substances, such as grinding of stainless steel, when welding of aluminum or when working with asbestos comfortable fit by plastic anti-nose piece and clean filter · Material special filter · Material and valve for easier breathing with adjustable rubber band for adaptation to different head sizes according to DIN EN 149:2001 + A1:2009. This text is machine translated.