Aqua Lung Kronos Octopus with Yellow 36" Hose, (Discontinued) New asymmetrical Side-X exhaust system (pat. pend.) routes bubbles out of your viewing area Exhaled breath passes over the second stage valve effectively warming it, thereby making it resistant to freezing The venturi control and breathing resistance knob have been integrated into one Dual Cam controller (pat. pend.). Divers can now achieve ideal settings with less to think about This pneumatically-balanced octopus is ideally suited for all high performance regulators including over-balanced first stage Yellow front cover, hose and accents allow unit to be easily located in the event of an out-of-air situation