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Reg. Price: $720.00
Our Price: $665.00
on orders of $25.00 or more.
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Apeks By Aqua Lung XTX40/DS4 Balanced Regulator - DIN - OXYGEN

Now you can get XTX technology in an oxygen model. This regulator is built for oxygen percentages between 40 – 100%. This compatibility coupled with its excellent reliability make it the choice for technical divers doing high O2 percentage deco stops.


  • This compact first stage has one high-pressure port and four medium-pressure ports
  • Green and yellow cosmetic pieces clearly identify that this regulator is dedicated for high-percentage oxygen use.
  • The first stage is dry-sealed preventing the entry of contaminants as well as ice formation on the main spring.
  • The XTX40 second stage is pneumatically balanced for very easy breathing
  • Due to its innovative Reversible Venturi System (RVS), the second stage can be configured into a right hand or left hand orientation.
  • The venturi lever is easy to use even with the thickest of gloves
  • Suitable for coldwater use


Do not attempt to use this product with enriched air until you have obtained training in nitrox use with mixtures containing over 40% O2 by volume, from a nationally recognized training agency.


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