Symbios Rebreather
The Halcyon Symbios™ Chest Mount (CM) Rebreather has officially achieved CE certification in accordance with EN 14143:2013 for closed-circuit rebreathers.
This certification confirms that Symbios meets the rigorous safety, performance, and quality standards required for both recreational and technical diving equipment within the European Union and recognized internationally.
The Symbios CM Rebreather combines Halcyon’s long tradition of innovation with cutting-edge technology:
A modular chest-mounted design for streamlined diving Advanced Guardian r-OS electronics Wireless data transmission and vibration-based alarms for intuitive diver awareness Extended range, enhanced redundancy, and excellent work of breathing in all positions
With CE approval now secured, Symbios is ready to take its place among the world’s most advanced diving systems.


