Scubapro Second Stage Features and Benefits

1. Orthodontic mouthpiece.
Comfortable and reduces jaw fatigue and gum irritation.

2. Patented reusable mouthpiece cinch.

3. High performance poppet with double O-ring.

4. Diver adjustable VIVA:
This patented system uses the power of a vacuum assist to reduce work of breathing and increase breathing comfort. It is diver-adjustable on all current SCUBAPRO second stages.

5. Precision molded valve housing.

6. Balance chamber with fine-tuning system.

7. Inhalation effort control:
The inhalation effort control enables divers to adjust breathing effort through a soft-touch control to suit varying diving conditions and avoid free flow. Available on X650, S600T, S600 and G250HP.

8. High performance lever with optimized geometry for best flow delivery under all conditions.

9. Maximum distortion diaphragm

Air balanced linear flow valve:
Highest performance in any condition.

Precision molded carbon fiber and technopolymer valve housing and components:
Low friction, lightweight, corrosion and cold water resistant. Exceeds CE cold water diving requirements.

High flow exhaust valve:
Lowest exhalation effort for best breathing control.