Superior performance, fit, comfort and visibility: get it all with the 7600 Series. ANSI-Compliant, high-impact picture-window lens provides an excellent, 200 degree wide field of vision. Dual-flange sealing area and five-strap harness provide a secure, comfortable fit to a broader range of face shapes and sizes. Chin and nose cups minimize dead air space and effectively channel out exhaled breath. Speech diaphragm amplifies wearer's voice, facilitating on-the-job communication. Mask easily converts to PAPR or Supplied Air systems, simplifying inventory management and safety training programs. Respirator Type: Mask; Material(s): Silicone/Polycarbonate; Valved: Yes; Adjustability Features: Adjustable Straps.