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Apeks XL4 Stage 3 Set

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489.00 404.13 (ex. VAT)
Show price in other currencies
£426.57 (incl. VAT)
$445.96 (ex. VAT)
$656.52 (ex. VAT)
₩527,786.79 (ex. VAT)
1,623.76ر.ق (ex. VAT)
RM1,866.81 (ex. VAT)
zł2,102.68 (incl. VAT)
If you purchase this product you will earn 489 Lucoins!
If you purchase this product you will earn 489 Lucoins!

  • Lowest price guarantee
  • Fast delivery world wide
  • 30 years scuba experience
  • 14 days return policy

Pros & cons Apeks XL4 Stage 3 Set

  • Most lightweight regulator from Apeks
  • XL4 first stage is really compact
  • Suitable for cold water use
  • Has only one high pressure point
  • You don't have any extra adjustments like the XTX versions

Apeks XL4 Stage 3 Set

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. Includes the XL4 octopus.
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Technical specifications

Connections INT and DIN available
Type of first stage Over-balanced diaphragm design, environmentally sealed
Body Type One piece forged body
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 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
Nitrox compatible Yes to 40% O2 when new, out of the box / Can be O2 cleaned to 100%
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What's in the box?

XL4 First Stage
XL4 Second Stage
XL4 Octopus
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Apeks XL4 Stage 3 Set

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1st 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. Also protects the first stage from impact damage.
  • 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.

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.