Apeks XL4 Oxygen Regulator Aqua Lung Micro Mask Dry ambient pressure chamber increases

Dry ambient pressure chamber increases freezing resistance

a vertical-cut rear zipper

recovery advisor and more4

Angled strap mounts for comfort & a better transition of power

Two zippered pouches each hold up to 10 pounds of hard or soft weights (14 pounds for X-Large size)

Apeks XL4 Oxygen Regulator Aqua Lung Micro Mask Dry ambient pressure chamber increasesThe Apeks XL4 is a compact, lightweight regulator suitable for diving in all environments including cold water locations. Its design and low weight help reduce jaw fatigue on long dives. The XL4 also makes an ideal stage regulator, perfect for the technical exploration diver with a large amount of equipment. The XL4 is a high performance option for those technical divers serious about weight savings. Apeks Nitrox regulators are suitable for use with