This is an IST PROLINE adjustable Octopus.
This great Octopus features:
- O10 Octopus Regulator
- Quality construction
- Superb precision engineering
- Rugged, dependable and affordable
- Designed for reliable functionality
- Lightweight, ideal for reduced jaw fatigue
- Soft black silicone mouthpiece
- Exhalation is controlled by an oval exhaust diaphragm which opens with radius bends to create a tighter seal
Super quality, comfort, and cost.