You know the moment you mount it on the tank. How can simply turning the tank valve and pressurizing the first stage of your new Atomic regulator be a life-changing experience? Atomic divers characterize it as confidence. They realize that a simple twist of the wrist energizes the finest piece of dive equipment made. They are confident that their Atomic regulator will perform perfectly delivering the first easy, natural breath of their dive...every time they dive. That's exactly what we expected when we crafted it for you.