The TDS Proteus octopus is a second stage high-end performance range of regulator in Gull octopus version. Lighter than its predecessor with a yellow hose of 1 m in length. New yellow front cover redesigned for distinction and to be easily located. Durability is ensured thanks to having used the best materials in its construction. As a high performance second stage, it is pneumatically balanced and has regulator venturi inspiratory effort to minimize and control the continuous flow. Features: Compensated high performance second stage. New cover design for better readability. Lighter than the Tifon octopus. Made of thermoplastic marine brass and chrome which provide high durability. The mouthpiece is easily replaceable for optimal fit. Control venturi.