- Pneumatically balanced second stage automatically maintains consistent inhalation effort throughout dive
- Diver adjustable inhalation effort allows the diver to control a desired level of airflow at any time.
- Patented Dynamic Adjustment automatically maintains inhalation effort throughout the dive
- Adjustable Venturi Switch (A.V.S.) for simple dive/pre-dive adjustment
- Inline ball swivel reduces jaw fatigue
- Orthodontic mouthpiece
- Paired with the FDX-i first stage
First Stage FDX-i
The FDX-i in-line design provides an improved flow rate, greatly reduced weight and more ergonomic port positioning for better hose routing when compared to the classic right angle first stages.
- Precision Cold Forged
- Reduced weight
- 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.