A professional-quality full-face mask, widely used by military and commercial divers worldwide. Ideal design for using secondary air source, diving in contaminated environments, or employing an underwater communication system. Reduced weight makes it very comfortable to wear. Designed for safety and comfort while diving in very cold water, wrecks, caves, or technical diving environments. Unique separate compartments for nose and mouth. New metal adjustment buckles-  Entirely stainless steel, quick adjustment, positive locking and release buckles provide safety, comfort and reliability.