SCUBAPRO D420 Regulator: An Insider Technical View

The perfect blend of rich diving history and cutting-edge regulator technology, the SCUBAPRO D420 2nd stage delivers top breathing performance with classic styling. It features a brand new balanced valve called the Progressive Flow Control Valve that delivers abundant airflow for the best breathing performance, with a natural smoothness not unlike what you might experience breathing on the surface. This technical jewel is a must-have breather for all divers and all dive scenarios.