The XTX40 Octopus provides the same features and performance as the XTX40 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 Purge Button: Large and Easy to Operate 2-Stage Progressive Purge Press Purge On-Side for Lower Flow Rate Useful for Filling Lift Bags etc. Press Center for Full Purge Great for Regulator Clearing etc. Large Venturi Lever w/Soft Touch Rubber Grip Silicone Exhaust Valve Improves Breathing Performance Comfo-Bite Mouthpiece Virtually Eliminates Jaw-Fatigue Heat Exchanger (patented): Dissipates Cold Caused by Gas Expansion Draws in Warmth of Ambient Water Helps Prevent Freeze-Ups Reversible Second Stage: Left or Right Hand Gas Supply Configuration Flexible Nylon Braided Hose