Halcyon H50D Aura Set

Non-adjustable downstream valve

Air Control Vane (A.C.V.) utilizes vacuum power to reduce work of breathing

Compatible with 40% Nitrox

This balanced, environmentally sealed diaphragm provides premium performance and rock solid protection in the absolute worst environmental conditions.

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