Aqualung Helix Pro Regulator The Aqualung Helix Pro Regulator is a must-have! Representing our core regulator DNA, the Helix Pro is balanced on the first and second stages and benefits from our patented ACD technology. The first stage is fully protected even when the regulator is not under pressure, not to mention a slick new design that will look great for years to come. The Helix Pro can be serviced every two years. Helix Pro Regulator Features Balanced diaphragm 1st stage provides superior, consistent performance “T” shape body for streamlined hose positioning An integrated dry chamber keeps inner components clean and dry by isolating them from the outside environment. Heat exchangers on the second stage help to prevent ice from forming on the mechanism The in-line ergonomic Venturi knob provides precise breathing adjustment, even while wearing gloves.
