Open Box to verify contents. The most comfortable mask available. Double flange sealing area made from medical grade silicone for a comfortable fit and optimum facepiece to face seal. Other features include wide field of vision: 5 strap harness and chin support. 100% medical grade silicone sealing area with dual flange for superior fit and comfort. Lens offers 200 degree field of vision. Reduces fogging and increases worker comfort. The most comfortable full facepiece available delivers superior fit and durability. Speech diaphragm is standard, for better speech clarity. Polycarbonate lens meets ANSI requirement for high impact. NIOSH approved with PAPR and Supplied Air to offer flexibility in the workplace.