The XTX50 Octopus is our top-of-the-line Octopus in terms of features and performance. It provides the same features and performance as the XTX50 second stage and includes left / right hand reversibility. It comes with a high visibility yellow front cover and a 36" yellow hose. Suitable for cold water use (below 10Adeg C / 50Adeg F). Smooth, Easy Breathing Large Venturi Lever w/Soft Touch Rubber Grip Easy-to-Grip Opening Effort Control Knob Silicone Exhaust Valve Improves Breathing Performance Comfo-Bite Mouthpiece Virtually Eliminates Jaw-Fatigue Reversible Second Stage: Left or Right Hand Gas Supply Configuration Flexible Nylon Braided 36 (91.44 cm) Yellow Hose Compatible with EAN40 Out-of-the-Box Suitable for Cold Water Use Below 50AdegF (10AdegC)