The TDS Tac Black octopus is a high-end, high-performance second stage from the Tactical regulator series in octopus version, with 1m long yellow hose. Durability is guaranteed with a design for different armies around the world. As a high performance second stage it is pneumatically compensated and has venturi control to minimize continuous flow. Features: High performance compensated second stage. New redesigned casing for improved performance and appearance. Heat exchanger for improved cold-water performance. Made of thermoplastic and chrome-plated marine brass for durability. Easily replaceable MOUTHPIECE for optimum fit. Venturi control. Yellow hose 1 m long.