b May 2, 2026 by jlamprecht https://en.wikipedia.org/wiki/Diving_rebreather#cite_ref-FOOTNOTEUS_Navy_Diving_Manual2016Chapter_15_-_Electronically_Controlled_Closed-Circuit_Underwater_Breathing_Apparatus_(EC-UBA)_Diving,_Section_15-2_Principles_of_operation_12-1
