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Precision cold forged.
The pneumatically balanced - consistent performance at any depth.
Environmentally sealed diaphragm - cold water ready.
4 low pressure and 2 high pressure ports.
Angled ports for ideal hose routing.
Improved flow rate over standard right angle first stages.
Unique all metal levered servo valve automatically maintains minimal inhalation effort throughout the entire dive.
Patented dynamic adjustment automatically maintains inhalation effort throughout the dive.
Simple twist dive/pre-dive adjustment.
Inline ball swivel reduces jaw fatigue.
Paired with the FDX-i first stage.