*From start to finish, the RG100 balance piston 1st stage delivers exceptional performance for all your dives.
*Coupled with the O.D.S. hose system, the balance piston delivers consistent, maximum airflow at vitally any pressure level and diving depth.
*A unique flow-through piston design ensures optimum flow, even under arduous diving conditions.
*Recommended 2nd Stage: OC900, OC750, OC350, OC300, OC450, OC400
*Advantages: reliable, easy breathing, high performance
*Users: tech divers, sport divers