Tested according to EN 149:2001, this pre-shaped mask body allows for quick attachment of the mask. It features a flexible nose bridge for optimal fitting to the shape of the face and an innovative filter medium for improved protection with low breathing resistance. The color-coded straps facilitate quick identification of the protection level. Models E 976063 and E 976165 include the 3M Cool Flow exhalation valve, which prevents heat buildup and allows for easy breathing.