Aqua Lung Calypso regulator

Redesigned with an attractive new look High-flow piston technology ensures excellent reliability and high performance Large diameter piston provides more stable medium pressure Includes a second filter that provides increased protection from polluted air Traditional hose attachment via swivel nut Nitrox compatible to 40% (The recreational limits of Nitrox) Lightweight second stage to prevent jaw fatigue and add to overall comfort 'Diver adjustable' venturi to prevent unwanted free-flow Rugged, reliable, and affordable Exceptional dependability Includes Comfo-bite mouthpiece - patented roof of mouth bridge, eliminates jaw fatigue