The 8300 preformed mask series has many comfort features that combine safe protection and high wearing comfort. High-quality components, such as the textile straps and the sturdy mask body, ensure a long service life. The M-shaped nose clip adapts quickly and easily to any nose shape. Heat and moisture build-up in the mask is prevented by the 3M™ Cool Flow™ exhalation valve. The particularly soft inner fleece ensures a secure and comfortable fit. Low breathing resistance thanks to the high-performance filter medium.