3M Aura particle masks series 9300+ are characterised by an ergonomic, flat-folding, 3-part design and have a filter medium with low breathing resistance. They are available in protection classes FFP1, FFP2 and FFP3, as well as models with and without valves. This respirator features an innovative chin strap for easy adjustment of the fit and an embossed, moulded upper mask section to prevent fogging.