The Apeks XL4 Ocea Octo is a lightweight, high-performance alternate air source designed for divers who prioritize both performance and environmental responsibility. Built as part of Apeks’ Ocea line, it represents one of the industry’s first steps toward more sustainably produced regulators without compromising the rugged reliability Apeks is known for.

Engineered for comfort and efficiency, the XL4 Ocea Octo features a compact, low-profile design that reduces drag and minimizes jaw fatigue during extended dives. Its pneumatically balanced second stage delivers smooth, effortless breathing, ensuring dependable airflow when it matters most. Designed for versatility, the XL4 Ocea performs reliably across a wide range of environments, including cold water conditions, making it an ideal backup for both recreational and technical divers.