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The B2 second stage houses a fully balanced titanium valve and lever that has a super smooth air delivery regardless of depth.The second stage has a fantastic 360-degree swivel which ensures the regulator is always in the right place, reducing jaw fatigue and making your dive more comfortable for longer.Like all Atomic second stages it also features the patented “AFC” Automatic Flow Control that eliminates the need for an external pre-dive switch and automatically adjusts with depth to ensure your regulator doesn’t free flow. Another unique Atomic second stage patent is the “Seat Saving Orifice” that allows for the seat to pull away from the sealing knife edge when not in use, significantly reducing the wear on this important component and therefore increasing longevity of the regulator’s performance.
