Oxygen rebreathers are no longer commonly used in recreational diving because of the depth limit imposed by oxygen toxicity, but are extensively used for military attack swimmer applications where greater depth is not required, due to their simplicity, light weight and compact size.
Oxygen rebreathers are no longer commonly used in recreational diving because of the depth limit imposed by oxygen toxicity. Oxygen rebreathers are extensively used for military attack swimmer applications where greater depth is not required, due to their simplicity. Oxygen rebreathers are extensively used for military attack swimmer applications where greater depth is not required, due to light weight. Oxygen rebreathers are extensively used for military attack swimmer applications where greater depth is not required, due to compact size.