Apeks MTX-R Octo

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The MTX-R Octo is built to the same standards as the MTX-R but in a bright yellow colour to be easily seen when needed.  Innovations in design mean that the MTX-R regulator performs in almost freezing water at a depth of over 60 metres, something that very few other regulators on the consumer market can boast.  It is a simple to use octo with no dive adjustment controls and a reduced chance of free flow.
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The perfect octopus to complement your MTX-R regulator.

Developed in accordance with the United States Navy Experimental Dive Unit extreme cold water test, the MTX-R Octo is reliable, rugged and expedition ready.


  • Yellow highlights for visibility in an emergency
  • Protective bumpers to protect the second stage from impacts and scratches in the most vulnerable places.
  • Ergonomic and simple to use venturi lever.
  • Oversize breathing effort adjuster makes adjustment easy in cold water whilst wearing gloves.
  • Large purge button.
  • Reversible second stage for either a left or right hand gas supply configuration.
  • A heat exchanger (patented) dissipates the cold caused by gas expansion while drawing in the warmth of the ambient water for a more comfortable breathe.