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Aqualung Calypso Classic Second Stage -Features and Specifications

  • Mid-size, high performance demand valve second stage
  • Easy-to-grip venturi knob stops unwanted freeflow when the regulator is out of your mouth
  • Comes with Aqua Lung’s Comfobite™ mouthpiece which reduces jaw fatigue
  • A grid built into the exhaust tee creates finer exhaust bubbles for less noise and more stability
  • Easy purge front cover
  • A reinforced polycarbonate material makes this second stage stronger than its predecessor
  • The side openings on the front cover prevent freeflow when facing into currents or riding a scooter

 

Type of second stage Demand valve
Controls Venturi switch
Mouthpieces Comfobite
2nd Stage Orientation Convertible LH or RH
Overall work of breathing (WOB) scores Avg. 1.05 joules/liter @ CE parameters
Nitrox compatible Yes to 40% O2 when new, out of the box
Certification EN250 approved