The North 7600 Series Full Face Piece Respirators are designed to provide eye, face and respiratory protection while providing optimum comfort. It is the most comfortable mask available, double flange sealing area made from medical grade silicone for a comfortable fit and optimum facepiece to face seal. While affording an over 200 degree field of vision, the hard coated polycarbonate lens protects the wearer's eyes and face against irritating gases, vapors and flying particles.