The Core regulator's amazing breathing, which is rated as superior on the ANSTI breathing machine, coupled with its generous features, at an attractive mid-range price, provides the best value of any regulator offered today. The Core comes standard with Aqua Lung's unique, patented, auto-closure device (ACD) which seals water out.

First Stage

• Cold Water Resistant Cold water resistant in waters below 50-degrees Fahrenheit or 10-degrees Celcius
• Auto-Closure Device Prevents corrosive water out of the first-stage inlet by automatically closing as the core is removed from the cylinder valve. This prevents internal lubrication from washing away and is safer for higher proportions of oxygen
• 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

• Comfo-Bite Comfo-Bite mouthpiece is soft yet sturdy and reduces jaw fatigue with its unique palate bridge
• Pneumatically Balanced Pneumatically balanced for smooth, easy breathing
• Venturi Knob Easy control: the in-line ergonomic Venturi knob lets you make precise adjustments, even while wearing gloves
• Heat Exchanger Patented heat exchanger dissipates cold caused by gas expansion while drawing in warmth from the ambient water
• Lip Shield Equipped with a lip shield to keep lips warm