KM Mod1 is a lightweight modular full face mask that allows for easy and rapid adaptation to various self contained underwater breathing apparatuses as well as surface supplied systems.
Unique 2-cavity design
The lower pod is also removable under water to allow making gas switches
All of the components have been strengthened to bring this mask to a commercial level of ruggedness
An improved buckle system, 5 leg straps
A mechanical equalizing device
A variety of options for mounting external components, (lights, cameras etc.).