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Rebreather diving

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SF2 ECCR Hypoxic Trimix Rebreather Training #SF2rebreather #Trimix #TechnicalDiving

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This Exolung promises 'unlimited' air supply underwater

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How to dive using a Rebreather - GUE.tv TRAILER

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Rebreather Diving Poseidon MKVI

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Scuba diving & Rebreather diving Phuket

Rebreather diving is underwater diving using rebreathers, which recirculate the breathing gas already used by the diver after replacing oxygen used by the diver and removing the carbon dioxide metabolic product. Rebreather diving is used by recreational, military and scientific divers in applications where it has advantages over open circuit scuba, and surface supply of breathing gas is impracticable. The main advantages of rebreather diving are extended gas endurance, and lack of bubbles.