HALCYON H-50D / Halo System


SKU: 65.100.003 Categories: ,


H-50D First Stage
This balanced, environmentally sealed diaphragm provides premium performance and rock solid protection in the absolute worst environmental conditions.

First Stage Features:

  • Balanced, environmentally sealed diaphragm
  • Dry balance chamber ensures solid performance in the worst conditions
  • Two high pressure ports, four intermediate/low pressure ports
  • 300 bar DIN connection, compatible with 40% Nitrox

Halo Second Stage, w/ 40” LP hose
The Halo provides amazingly smooth performance in all conditions providing unsurpassed performance with enhanced technology.

Second Stage Features:

  • Balanced, adjustable downstream valve
  • Adjustable control knob refines inhalation resistance
  • Air Control Vane (A.C.V.) utilises vacuum power to reduce work of breathing
  • Compatible with 40% Nitrox


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