The Atomic Aquatics M1 Octopus is a high-visibility Safe Second designed to pair with the M1 primary for reliable performance in demanding underwater environments. Built for extreme diving, it serves as a dependable backup in cave diving, cold water, and rough seas, ensuring your scuba gear has a trusted secondary option.

Long-hose reliability meets practical visibility with a 36-inch hose and a neon-yellow front cover, making it easier to locate and reach in underwater situations. The M1 OCTO shares core M1 technology, including Automatic Flow Control and a Titanium Seat Saving Dynamic Orifice, while remaining compatible with higher oxygen mixes when established guidelines are followed.