How the Prism 2 is Used for Research When the typical scuba rig isn’t enough, underwater pros turn to a rebreather—such as the Prism 2—to increase the amount of time they can spend underwater.
What’s new with the Prism 2 CE version? So, what’s new with the Prism 2 CE version? The answer is...not a whole lot. Why mess with a good thing? After all, if it ain't broke, don't fix it.