Defender & X CCR Rebreather

At Mexico Underground we offer all level training on the Defender and X-CCR with TDI at all diver and instructor levels. Defender & X-CCR Rebreathers are available to hire for students wishing to take their training before buying their own unit.

About the Defender/X-CCR Rebreather

The Defender/X-CCR rebreather is one of the most advanced closed circuit mixed gas rebreathers. Innovative, functional, modular in design and effective, it is the obvious choice for a technical Diver.

Defender/X-CCR Rebreather ECCR.

Expedition Grade Rebreathers designed and built to deliver consistent performance in the most demanding underwater environments, the Defender/X-CCR is the go-to rebreather used by serious explorers around the globe.
Defender/X-CCR Rebreathers are all about personal choice, making it truly the world’s most flexible rebreather. Choose from eCCR, mCCR and hCCR models, with over the shoulder counter lungs, top of shoulder counter lungs or back mounted counter lungs. Additionally, choose from various sized units designed for true exploration or lightweight versions for easy travel. With 3 different size radial scrubbers to choose from, the diver calls the shots as to how much sorb he or she wants to carry. the factory doesn’t believe in the “one size fits all” mentality.

Key Features of the Defender/X-CCR Rebreather :

  • Compact design
  • Pre Scrubber O2 Injection
  • Industry unique Quick Bayonet mount
  • Quick disconnect tank hostlers
  • 3 Primary O2 sensor cells, standard
  • Primary, Secondary, DIVA options, standard
  • Shearwater Petrel Full Trimix dive computer
  • 4th O2 sensor cell with additional eCCR Monitor output, standard
  • 2 Canister, 5 Scrubber and 3 lung options, standard
  • Built in O2 filter protection for solenoid
  • Easily replaceable solenoid
  • Replaceable banana block for o2 sensor connections
  • Ultra reliable HH ADV and Manual Add Valves

The Defender /X-CCR CCR also makes it easy to add any third party monitoring computers as a tertiary ppO2 monitor. The 4th O2 cell and spare output comes standard on all CCR Heads

The Defender/X-CCR Rebreather is now used by severel leading cave and deep explorers along with several government agencies around the world. It has grown in popularity to become accepted as a superb Rebreather. If you are considering purchasing a CCR it might not be a bad idea to train on a hire unit this way giving you the chance to try before you buy.

Our Head Rebreather trainer Matt is one of only 5 factory instructor trainers able to conduct training at all levels on the Defender/X-CCR Rebreather here in Mexico.