The Atomic Aquatics Ti2 is a titanium backup regulator engineered to deliver the same dependable performance as your primary second stage. Its corrosion-resistant construction and innovative Seat Saving Orifice technology ensure consistent operation dive after dive. Includes a 36-inch hose and compact design. AFC Automatic Flow Control and extended 2-year/300-dive service intervals make this a trusted safe second. Limited Lifetime Warranty. Precision-built Standard 36in hose Compact with a low profile exhaust deflector AFC Automatic Flow Control and Rapid Adjustment knob