Exolung
Let’s face it, oxygen tanks can be cumbersome when scuba diving, but the ExoLung aims to change that. Simply put, this contraption converts the diver’s swimming motions into air movement. How does it work? It consists of a buoy that floats on the surface of the water that not only keeps you safe, but doubles as an air intake. You connect a hose to this buoy with the water bell worn on the front of the torso, while inside is a collapsible water bladder that is attached to leg straps that secure around the diver’s feet.



Whenever the diver extends their legs, the straps pull the bladder, drawing in air as water is pushed out. When the legs compress, the straps relax and water pressure fills the bladder back into the hardshell body, compressing the air for inhalation. This means the diver has an endless air supply that only cuts off when one stops swimming.


To make it easily transportable, the ExoLung system weighs in at just 7.7-pounds and can be stored in a 16″ x 12″ x 8″ package. It’s still in the prototype phase, but when released, the company expects it to retail at $335 and a “pro” model with a 23-foot hose as well as reinforced construction for under $550.

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