Aqua Lung Helix PRO Compact Regulator The Helix Pro mid-range regulator with balanced first and second stages - our core range. The Helix Pro represents the DNA of Aqualung regulators. It is certainly the best value for the coming years. It benefits from the patented ACD technology - the first stage is fully protected, even when the regulator is not under pressure. The Aqualung Helix Pro can be serviced every 2 years. First Stage Balanced Diaphragm A balanced diaphragm provides superior, consistent performance Yoke or DIN Available in yoke (3,300psi/232 bar max.) or DIN (4,350psi/300 bar max.) HP/MP Ports and "T" Shape 2 HP ports (7/16”) and 4 MP ports (3/8”), perfectly oriented in a “T” shape for streamlined hose positioning, reduced exhalation effort, and sending bubbles out of your field of view up to EAN 40 Compatible with up to EAN 40 right out of the box Second Stage Pneumatically Balanced Pneumatically balanced for smooth, easy breathing Comfo-Bite Comfo-Bite mouthpiece is soft yet sturdy and reduces jaw fatigue with its unique palate bridge Heat exchangers Helps to prevent ice forming on the mechanism Venturi Knob Easy control: the in-line ergonomic Venturi knob lets you make precise adjustments, even while wearing gloves
