The AquaLung Calypso/Titan Octo is a mid size high performance designed to compliment the Calypso or Titan regulators.
Nitrox Compatible to 40%
Diver Adjustable venturi to prevent unwanted free-flow
Rugged, Reliable and Affordable
Quick Connect Option: Allows the 2nd stage to be removed and reattached without tools
Classic Option: Offers a traditional hose attachment via swivel nut