Halcyon Passive SCR
Menu Semiclosed Rebreathers
 
Here are some pictures of the older Halcyon semi closed passive addition rebreather. The rebreather is the predessessor of the RB 80 and sometimes is called " Big Hall".
Thanks to Martin Lutz
 
 
 
 
 
 
 
 

 
Many thanks to Martin Lutz for his contribution to this site!

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