Zeagle - Onyx II Primary 2nd Stage or Onyx II Octopus Style:Primary 2nd Stage Attaches to all XS Scuba

Attaches to all XS Scuba Modular valves

Main Compartment: 3-Storage Areas: Large

Its compact and streamlined shape makes it more comfortable

Demonstrate adequate buoyancy control

The WPAD™

Zeagle - Onyx II Primary 2nd Stage or Onyx II Octopus Style:Primary 2nd Stage Attaches to all XS ScubaAn anodized aluminum heat sink on the 2nd stage along with the external diaphragm on the 1st stage improves the cold water performance of the Onyx II regulator. Second Stage: Downstream valve Balanced Diaphragm Dive Pre Dive Venturi Control Diver Adjustable Breathing Sensitivity New Compact Profile Anodized aluminum heat sink. Downstream valve Balanced Diaphragm Dive Pre Dive Venturi Control Diver Adjustable Breathing Sensitivity New Compact Profile