Diving Umbilicals (Air Pneumo Comms & Hot Water) There are different settings and customization for diving hookahs, with options for air, pneumo, communications, mini TV and hot water.Diver umbilical with pneumo & gas hose and cable A diver umbilical with pneumo and gas hose and cable is a bundle of hoses and cables that connects a commercial diver's helmet to the surface control panel.
