X650 secound stage from Scubapro is based on the renowned D400, this one of a kind second stage includes a unique valve design. With new break through design and components, this extraordinary second stage offers the best performance on the market.
- Straight coaxial flow valve
- New smaller poppet
- Diaphragm and exhaust valve positioned below the mouthpiece
- New diver adjustable inhalation control
- Dive/pre-dive control switch
- New 15% wider exhaust valve
- Lightweight orthodontically designed mouthpiece
On stock |