The Delta 4 is one hot new regulator ready to take on all challengers with improved performance, new features, improved styling, and the new FDX-10 First Stage featuring our exclusive Dry Valve Technology (D.V.T.).

Features include:

• Diver adjustable inhalation effort. Our Patented Dynamic Adjustment automatically maintains inhalation effort throughout the dive.
• Adjustable Venturi Switch (A.V.S.) for simple Dive/Pre-Dive Adjustment
• Paired with the new FDX-10 Balanced Diaphragm featuring Oceanic's exclusive D.V.T. (Dry Valve Technology) that helps put an end to flooded regulators without sacrificing performance!
•  D.R.T. is a revolutionary regulator technology designed to automatically eliminate moisture and contaminants from entering your first stage even if the dust cap is left off eliminating corrosion of critical internal components, bacteria, internal hose deterioration and damaged gauges and computers.

Delta 4 2nd stage:
- Patented 'Diver Adjustment Inhalation System' allows you to set the air flow over a broad range, making breathing easier or harder as depth and demand increases.
- 'Dynamic Adjustment' automatically adjust the inhalation effort you set at the surface so it is the same at any depth during the dive.
- Pre dive switch prevents free-flow.
- Inline swivel eliminates jaw fatigue by allowing optimal hose angle.
- Weighs 247g

FDX 10 first stage:
- The newest edition to the Oceanic first stage range.
- Direct angle LP ports ensure streamline, comfortable hose configuration.
- A modern design styled with poished chrome with rubber overmould.
- Compact and advanced design isolates the critical seats and o-rings from the harsh environment.
- 2HP & 4LP ports