Scuba Pro second stage diaphragms. These are specific to each second stage. The picture is not a picture of all of the styles.
Make sure that you get a reputable service technician to service your regulators. Aqua Sport Scuba Center Inc takes no liability or responsibility for the service work done with the sale of any service kits. It's up to you to be a responsible adult and understand your risks and responsibilities. Training and experience is very important. Play safe !
