Superior performance, fit, comfort & visibility: get it all with the 7600 Series. ANSI-Compliant, high-impact picture-window lens provides an excellent, 200 wide field of vision. Dual-flange sealing area & five-strap harness provide a secure, comfortable fit to a broader range of face shapes & sizes. Chin & nose cups minimize dead air space & 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 & safety training programs. Respirator Type: Mask; Material(s): Polycarbonate; Silicone; Valved: Yes; Adjustability Features: Adjustable Straps.