Complement your eco-friendly XL4 Ocea regulator with this compact and lightweightsecond stage Octopus regulator The XL4 Ocea Octopus improves comfort and helps reduce jaw fatigue when needed in an out-of-air emergency. The Ocea presents a new concept of regulator to the diving market. One that comes with the inherent build quality and performance shared by all Apeks regulators, but having the prime objective of being the first totally sustainably produced regulator available. Every manufacturing detail has been considered and adjusted to ensure each material and process has been optimized in the pursuit of minimal environmental impact. Apeks partnership with PlasticBank, establishes the Ocea as the world's first ocean plastic negative regulator. Recycled polymers made from up to 70% post-consumer waste (black components) Bioplastic plastic parts made from non-petroleum-based sources. Trivalent chrome plating uses less harmful chemicals and is kinder to the environment. Eco brass is lead free, easier to recycle and has a higher tensile strength than traditional brass.The XL4 Ocea Octopus is a high performance pneumatically balanced lever operated poppet valve design. Large, over molded self-flushing and controllable purge button. Ergonomic Venturi lever is easy to use and locate. Flexible nylon braided hose has better cold-water performance than a traditional rubber hose. Standard metallic hose connection for interchangeability. Comfo-bite mouthpiece has a unique bri