| Poseidon Cyklon Octopus Yellow |  | | Cyklon Octopus has the exact same performance as the main second stage. A result of our philosophy Safety before everything. | |  | | Poseidon Jetstream Odin Octopus Yellow |  | | Jetstream Octopus offers the exact same performance, quality, and functionality as the main second stage. The Jetstream Octopus is built to be used in the most extreme situations. | |  | | Poseidon Xstream Octo |  | | With an octopus you have a backup if your dive partner’s regulator should fail. If he or she uses a Poseidon regulator you should not have any use for the octopus. | |