EOS Regulator with DVT FDX10 1st Stage

Pneumatically balanced second stage with virtually no breathing effort Diver adjustable inhalation effort Patented Dynamic Adjustment automatically maintains inhalation effort throughout the dive Ergonomic Adjustable Venturi Switch (A.V.S.) for simple Dive/Pre-Dive Adjustment Stainless steel inline swivel for reduced jaw fatigue and comfort Paired with the rugged FDX-10 Over-Balanced Diaphragm First Stage featuring DVT (Dry Valve Technology)