1st & 2nd Stages

Products (Total Items: 5)
Halcyon H-50D first stage only, Sealed Diaphragm
Part Number:  RGHA-65.100.150
  • Two high pressure opposing ports, and 4 High-flow low pressure ports.
  • High performance balanced diaphragm design.
  • Built for harsh environmental conditions.
  • Nitrox 40% compatible.
  • Externally adjustable intermediate pressure allows for a quick fine-tuning by a Halcyon service technician without fully disassembling the first stage.
    Ships in 1-2 business days. Free Shipping
Halcyon Aura Unbalanced Second Stage
Part Number:  RGHA-65.100.250
  • Simple, compact design.
  • Single adjustment control and pre-set inhalation effort.
  • Downstream valve.
  • Air Control Valve in "dive" position or "Halcyon" position.
    Ships in 1 business day Free Shipping
Poseidon Xstream Black Regulator
Part Number:  RGPS-0100-010
  • High quality regulator system.
  • Titanium black surface coating.
  • Depth rated 200 meters.
    Ships in 5-7 Business Days
Atomic M1 DIN 1st and 2nd Stage
Part Number:  RGAT-03-0030-7P
Ships in 3-5 business days
Hollis 500SE Side Exhaust Regulator
Part Number:  RGHS-240.3501.07
  • 1st and 2nd stage set.
  • Side exhaust configuration allows for left side, or right side use.
  • Servo controlled valve to provide precision airflow and unparalleled performance.
  • Ports oriented for proper hose routing.
  • Great for sidemount tanks, or rebreather bailout bottles.
  • Optimum performance regardless of depth.
    Ships in 5-7 business days.