First Stage Features:

• Compact. The Calypso is compact, easy to pack and easy to store
• High-Flow Piston Technology. Ensures great performance and excellent reliability. The large-diameter piston gives you more stable pressure out
• Intuitive Design. Designed with large holes in end caps for easy cleaning and better thermal exchange and improved resistance to freezing
• Second Filter. Includes a second filter, which can be change without dismantling and provides increased protection from polluted air
• Prevents Water Retention. Open-yoke screw helps prevent water retention
• Protects Against Shocks. The dust cap adjacent to the body protects the yoke inlet fittings against shocks

Second Stage Features:

• Comfo-Bite. Comfo-Bite mouthpiece is soft yet sturdy and reduces jaw fatigue with its unique palate bridge
• Reusable Clip. Perform quick and easy mouthpiece changes using the removable, reusable clip
• Venturi Knob. Easy control: the in-line ergonomic Venturi knob lets you make precise adjustments, even while wearing gloves
• Polyurethane Purge Cover. Rugged, durable polyurethane purge cover is abrasion-resistant, tear-resistant, minimizes inhalation effort, allows easy water purging, and helps protect against shock
• Prevents Freeflow. Side openings prevent freeflow when facing into currents or riding a scooter
• Easy Maintenance. Simple maintenance made possible by a reduced number of components and easy access to the exhaust valve through a clipped deflector. Deflector also splits up bubbles to decrease noise and protect the valve from expiration