Second Stage:

Made for use in cold water and exhalation membrane extra large for easy exhalation. The second stage's interior is made of steel with a zirconium alloy. Patented Atomic Seat Saving Orifice. Patented Atomic Automatic Flow Control (AFC). The new housing of the second stage is designed in such a way that breathing resistance is minimal, both in shallower water and in extreme depth. Easily adjustable breathing resistance screw to personally adjust the breathing resistance for each diver. Front cover is made in such a way that it will have little resistance to currents in the water. Extra wide exhalation deflector to guide the bubbles well to the side of the face. Comfortable silicone mouthpiece that is extra reinforced. Service interval every 2 years or every 300 dives.

The M1 Octopus employs state-of-the-art metals specifically chosen for extreme diving situations. Monel parts are used internally in the first stage for high strength, corrosion-resistance and oxygen compatibility. 316 Stainless Steel, multi-layer Zirconium coated Brass, and Titanium are used throughout the second stage. The M1 valve body is Zirconium/Nickel over Brass and the seat saving orifice is Stainless Steel.

The M1 has an expanded performance range to meet almost any diving condition imaginable, whether Recreational or Technical. Accomplished specialty divers will appreciate this regulator designed to fulfill virtually any need or diving scenario. The M1 is built on the same platform as the world acclaimed T2 and B2 regulators.

Specifications:
Designed for cold water diving featuring thermal heat sink and improved super-dry exhaust valve
Second stage components are made of precision machined Brass with Zirconium plating and Titanium
Patented Atomic Seat Saving Orifice
Patented Atomic Automatic Flow Control (AFC)
A new high-flow second stage case lowers breathing effort at any depth from shallow water to beyond the limits
Rapid adjustment knob for manual second stage de-tuning in special situations
Surge protected second stage front cover for high current scenarios
Super-wide exhaust deflector to disperse bubbles for enhanced visibility
Dual silicone comfort fit mouthpiece with tear-resistant bite tabs
2 year/300 dive service interval