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The key feature of the Scubapro R105 Octo's breathing mechanism is its classic downstream valve design. This design ensures that each breath you take underwater is as effortless as if you were on land.
The Scubapro R105 Octo features a rugged metal valve housing, which ensures its durability and reliability even under high-pressure underwater conditions.
The reversible hose attachment on the Scubapro R105 Octo offers flexibility and convenience, allowing for easy connection to pony or deco tanks.
The Scubapro R105 Octo's super-flow hose is high-visibility yellow and features an oversized bore. This design ensures increased air intake with every breath.
The Scubapro R105 Octo features a compact Hi-Flow mouthpiece that is engineered for maximum airflow. This design ensures comfort for divers of all mouth sizes.
Review Summary
2025-06-25T20:00:00
Didn't really use the secondary on my last trip, but the price was right (free with reg purchase). I'm not a huge fan of the clip that came with it.
jdtart
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Browse our FAQ
Yes
Unbalanced
39 in
1 m
0.8 lb
Recreational
4048336431965
It's good and functional
By jdtart
Didn't really use the secondary on my last trip, but the price was right (free with reg purchase). I'm not a huge fan of the clip that came with it.

Pairing perfectly with the new Scubapro MK2 EVO/R105 Regulator, the new R105 Octopus offers dependable breathing performance in a classic downstream design with a dive/pre-dive VIVA switch and reversible hose attachment.
• Classic downstream valve design for dependable breathing performance
• Metal valve housing is built rugged and increases overall reliability.
• Reversible hose attachment makes it easy to use on pony or deco tanks.
• High-viz yellow super-flow hose is 39in/1m long and features an oversized bore that allows more air to flow on each inhalation.
• Compact Hi-Flow mouthpiece improves airflow as well as mouth comfort, fitting all mouth sizes, from largest to smallest.

Adjustable Second Stage Yes
2nd Stage Design Unbalanced
Hose Length 39 in
Hose Length 1 m
Weight 0.831 lb
Activity Recreational

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