Kirby Morgan Diamond Communications:w/MWP The compact relief valve releases

The compact relief valve releases pressure in the event of an over pressurization of the first stage

If the harness is out of stock

Most of its 3-3/8" (86mm) cutting edge is serrated with the last inch at the tip left PlainEdged

antiflooding features

holds an impressive edge

Kirby Morgan Diamond Communications:w/MWP The compact relief valve releasesThe Kirby Morgan Diamond is the next modular variation to the Kirby Morgan stainless steel helmet. When the Kirby Morgan Diamond is attached to their stainless steel helmet shell, the diver can operate in either a surface exhaust or ambient water exhaust diving mode. Before the diver enters the water, with a simple two step process, they have the opportunity to switch the helmet into surface vent mode where their exhaled gas is sent to the surface and