ScubaPro D420 Second Stage Regulator

ScubaProSKU: 11.420.000

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Sale price$342.00 Regular price$489.00


The new D420 combines the iconic design of the original D-Series second stages with advanced breathing performance technology. It features a balanced valve inside a metal structure for abundant airflow and smooth breathing. The durable fiberglass-reinforced nylon casing allows for flexible rigging. The dive/pre-dive system includes an adjustable airflow direction switch. The efficient purge button gives the D420 its unique face.


  • Uniquely shaped fiberglass-reinforced nylon casing carries on the D-Series heritage with the latest advances in breathing performance technology
  • Dive/pre-dive system includes a switch on the top of the case with a thumb tab for adjusting the direction of airflow right out of the valve.
  • Casing design features inner winglets that direct airflow towards the exhaust valve, creating a dramatic improvement in exhalation effort.
  • Diaphragm is located in the lower section of the casing to take advantage of the pressure gradient in the upright position, making breathing even easier.
  • Reversible hose attachment allows for either left- or right-side LP hose connections for maximum rigging flexibility.
  • Compact Hi-Flow mouthpiece improves airflow as well as mouth comfort, fitting all mouth sizes, from largest to smallest.
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