DS4 1st Stage

In stock
Article code AP0527F
The DS4 lacks the rotating turret and has only one HP port. This compact first stage has stood the test of time and is a favourite among technical divers.

DS4 first stage

  • Overbalanced diaphragm allows medium air pressure in the hose to increase at a faster rate than ambient pressure, which means easier breathing at greater depths
  • 1 HP port and 4 MP ports
  • Environmental dry system keeps out contamination and resists freezing
  • Compatible with EAN40 when new
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