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View Full Version : O2ptima (aka Optima) Rebreather



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  1. Upgrade O2ptima electronics from HH to Shearwater
  2. Could a o2ptima be chest-mounted.
  3. Is the Optima dangerous because of design flaws?
  4. Is the Optima dangerous because of design flaws?
  5. Dil flush with a BMCL Optima
  6. desiccant packs
  7. BMCL and offboard Dil, O2 and BOV connection and hose routing