The Apeks XL4 is a compact, lightweight regulator suitable for diving in all environments including cold water locations. Its design and low weight help reduce jaw fatigue on long dives. The XL4 also makes an ideal stage regulator, perfect for the technical exploration diver with a large amount of equipment. The XL4 is a high performance option for those technical divers serious about weight savings.
2nd 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.
Specifications:
- Yoke and DIN available
- Over-balanced diaphragm design, environmentally sealed
- One piece forged body
- DIN 1st stage - 638g
- Yoke 1st stage - 763g
- 2nd stage - 154g
- Number of HP ports 1 (7/16 UNF)
- Number of MP ports 4 (3/8"" UNF)
- Environmental Dry Kit Standard
- First stage exterior Satin
- Coldwater Use
- Type of second stage Pneumatically balanced
- NO Opening Effort Control Knob
- Integrated Venturi Lever
- Mouthpiece Comfo-bite™
- Exhaust tee Standard, one set
- Heat Exchanger for freezing resistance
- Hose type Braided Flexi-hose
- Overall work of breathing (WOB) scores Avg. 0.90 joules/liter
- Nitrox compatible Yes to 40% O2 when new, out of the box / Can be O2 cleaned to 100%.
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