Special regulator set with the H-50D 1st Stage, HALO, second stage and Aura octopus.

1x 65.101.150 - H-50D DIN 300 1st Stage chrome
1x 65.101.275 - HALO, second stage only
1x65.101.250 - Aura second stage, unbalanced, incl 40"
(102cm) LP Hose (Solo Item)
1x 62.200.000 - Neck strap for backup reg
1x 62.010.020 - 3/8" 316SS Bolt Snap
1x 62.010.100 - 1" 316 SS Bolt Snap Wide Eye
1x 44.010.005 - Halcyon Voyager Case
1x 61.030.004 - Master Diver 53mm Bar
1x 60.010.084 - *7' primary regulator hose
1x60.010.022 - 22" (56 cm) LP backup regulator hose
1x60.030.026 - 26" (66 cm) high pressure SPG hose

H-50D First Stage Regulator

The Halcyon H-50D First Stage Regulator is engineered for consistent performance in the most challenging environments.​

The H-50D's balanced, environmentally sealed diaphragm design ensures smooth, easy breathing at varying depths and tank pressures.​

Reliable and High-Performance First Stage Regulator​

The dry balance chamber prevents water intrusion, enhancing reliability even in cold or contaminated waters. Equipped with two high-pressure ports and four low-pressure ports, including high-flow options, it offers flexible hose routing and up to 15% more air delivery.​ This 300-bar DIN connection can be fitted with an optional yoke and is compatible with up to 40% Nitrox, catering to a range of diving needs.

Specifications

• Balanced, sealed diaphragm
• Dry balance chamber
• Two HP ports, four LP ports
• 300-bar DIN, compatible with 40% Nitrox
• Bench testing by an authorized Halcyon regulator service technician is recommended prior to use

Halo Second Stage Regulator

The Halcyon Halo Second Stage Regulator delivers smooth, high-volume airflow, ensuring natural breathing underwater.

Precision-Tuned, High-Performance Second Stage Regulator​

Featuring adjustable inhalation resistance and an Air Control Vane (ACV), it allows divers to fine-tune performance to their preferences.​ Compatible with 40% Nitrox and designed for reliability, the Halo pairs seamlessly with Halcyon's H-75P or H-50D first stages, making it a top choice for discerning divers.​

Specifications H-75P First Stage

• Balanced, freeze-resistant piston design
• Rotating swivel
• Two HP ports, five high-flow LP ports
• 300-bar DIN, compatible with 40% Nitrox
• Bench testing by an authorized Halcyon regulator service technician is recommended prior to use

Specifications Halo Second Stage

• Balanced, adjustable downstream valve
• Adjustable inhalation resistance
• Compatible with up to 40% Nitrox
• Air Control Vane (ACV)
• Recommended bench testing by an authorized Halcyon technician before use