The XL4 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. Our partnership with PlasticBank, establishes the XL4 Ocea as the world's first ocean plastic negative regulator.


Features
First Stage

Compact machined first stage based on the expedition tested Apeks DS4 platform.Break through, innovative over-moulded first-stage endcap and environmental diaphragm helps prevent ice build-up that can cause first stage free flow in extreme circumstances.Large surface area heat exchanger diaphragm clamp helps increase the gas temperature inside the first stage, resulting in improved cold water performance.Unique over-balanced diaphragm design - as the diver descends, the over-balancing feature allows the medium pressure gas in the hose to increase at a faster rate than ambient. This results in superior performance at depth.2 HP ports and 4MP ports

Second Stage

Compact and lightweight second stage improves comfort and helps reduce jaw fatigue on long duration dives
High performance pneumatically balanced lever operated poppet valve
Large, over moulded 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 bridge that fits across the upper palate and does not require bite pressure to stay in place
Re-useable mouthpiece clip makes it simple to change mouthpieces in the field
Durable and flexible rubber exhaust tee provides excellent bubble diversion

Technical Specs
Connections    Yoke and DIN available
Type of first stage    Over-balanced diaphragm design, environmentally sealed
Body Type    One piece machined body
Number of HP ports    2 (7/16" UNF)
Number of MP ports    4 (3/8" UNF)
Weight    DIN – 905g (2 lb)
Yoke – 1041g (2.3 lb)
Environmental Dry Kit    Standard
First stage exterior    Satin
Cold water use    Yes
Type of second stage    Pneumatically balanced
Opening Effort Control Knob    No
Integrated Venturi Lever    Yes
Mouthpiece    Comfo-bite™
Exhaust tee    Standard, one set
Heat Exchanger for freezing resistance    Yes
Hose type    Braided Flexi-hose
Overall work of breathing (WOB) scores    Avg. 0.90 joules/liter