First Stage

• Compact machined first stage based on the expedition-tested Apeks DS4 platform.
• Innovative over-moulded first-stage endcap and environmental diaphragm to help prevent ice build-up and protect against impact damage.
• Large surface-area heat exchanger diaphragm clamp increases gas temperature inside the first stage for improved cold-water performance.
• Unique over-balanced diaphragm design allows medium-pressure gas in the hose to increase faster than ambient as depth increases, delivering superior performance at depth.
• Ports: 2 HP ports and 4 MP ports.

Second Stage

• Compact, lightweight second stage to improve comfort and reduce jaw fatigue on long dives.
• Large heat exchanger for improved cold-water performance and increased freezing resistance.
• High-performance pneumatically balanced, lever-operated poppet valve.
• Large over-moulded, self-flushing and controllable purge button.
• Ergonomic Venturi lever for simple adjustment and easy location.
• Flexible nylon-braided hose for better cold-water performance than traditional rubber hoses; standard metallic hose connection for interchangeability.
• Comfo-bite mouthpiece with a unique bridge that fits across the upper palate and does not require bite pressure to stay in place; re-usable mouthpiece clip for field servicing.
• Durable, flexible rubber exhaust tee for effective bubble diversion and UV inhibitors to help prevent discolouration of white materials.