The B2 regulator is engineered from chrome plated brass and 316 stainless steel, to have the most comfortable second stage in the world, while being economical without sacrificing performance. The Atomic Aquatics B2 factory sealed first stage features the 'Jet Seat' high flow piston and 2 HP fixed ports and 5 LP ports on swivel cap. The second stage, made from titanium, has been designed with a high flow stage case to lower breathing effort and rapid adjustment knob for manual tuning and polished 316 stainless steel comfort swivel. The B2 is Nitrox ready up to 40%. and has a 2 year/ 300 dive service interval and non contingent lifetime warranty.
Widely reviewed as the most comfortable second stage in the world
2 year/ 300 dive service interval
Economical, with precision design and excellent performance