Halcyon H-50D Diaphragm First Stage RegulatorHalcyon H 50D Diaphragm First Stage Regulator (Solo) Balanced, environmentally sealed diaphragm for harsh conditions Dry balance chamber enhances cold water performance and reliability Two high pressure (HP) ports for versatile SPG transmitter placement Four low pressure (LP) ports for flexible hose routing 300 bar DIN connection, compatible with 40% Nitrox Consistent air delivery regardless of tank pressure or depth Ideal for cold water, technical,
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