Aqua Lung Calypso

The Aqualung Calypso regulator is an entry level 1st stage which features an in-line high flow Piston design to provide the diver with the best combination of simplicity, performance, and value.
*Compatible with EAN 40 right out of the box
High-flow, in-line piston 1st stage design produces very stable pressure to the 2nd stage High-performance, mid-sized 2nd stage Large diver-controlled Venturi Adjustment Switch (VAS) reduces sensitivity to free flow on the surface and provides maximum airflow at depth Equipped with Aqua Lung's exclusive Comfo-Bite™ mouthpiece