Aqualung Calypso Octopus

The downstream demand valve ABS housing second stage regulator is a mid-size, high performance octopus to compliment any regulators. High visibility 39″ (99 cm) yellow hose and high visibility yellow cover makes it easy to locate in an emergency. The venturi lever prevents unwanted free flow when not in use. Easy purge front cover.



  • With few components and easy access to the exhaust valve through a clipped deflector, maintenance is easy.
  • The in-line Venturi knob offers effective and progressive adjustments.
  • The polyurethane purge cover offers significant abrasion- and tear-resistance, protects from shocks, allows for easy water purging, and decreases inhalation effort.
  • Side openings prevent free flow when facing into currents or riding a scooter.