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Halcyon förstasteg H-50D

The H-50D is a high performance diaphragm first stage, fully sealed and built for harsh conditions.
Diaphragm first stages are traditionally popular with cold water divers as no cold water comes in contact with inner parts.

  • Balanced, environmetally sealed diaphragm
  • Four low pressure ports
  • Two opposing high pressure ports.
  • Nitrox 40% compatible from start
  • Possible to upgrade to fully oxygen clean.