D420 2ND STAGE Scuba Weights the purge valve positioned at

the purge valve positioned at the lowest point makes quick work of any water that does sneak in

low-effort delivery of air

your dive data has never been easier to read

Built to last

The Galileo HUD Dive Computer is an innovative mask-mounted

D420 2ND STAGE Scuba Weights the purge valve positioned atWith the introduction of the D420, SCUBAPRO engineers have combined the iconic design of the original D Series second stages with the latest advances in breathing performance technology. The D420 features a brand new balanced valve inside a housing supported by a full metal structure. Called the Progressive Flow Control Valve, it is able to deliver abundant airflow for the best breathing performance with a natural smoothness comparable to what you