I have two Poseidon Cyklon Super 300 first stages and two metal second stages, one with a longer hose (not 7'). I have given up trying to buy parts for these regulators and there are no trustworthy Poseidon repair shops near me.
These are the metric ones with G 1/8" port threads. One of the first stages has the yoke adaptor, the other is DIN only. The 2nd stage with the shorter length hose is missing an inhalation diaphram and LP seat. All metal and hoses are in excellent shape. I also have some parts:
Two sintered screen filters for HP intake (cone type)
One retaining ring for above
Two LP seats
One LP valve spring and retaining clip
One replacement mouthpiece for 2nd stage
Two metric port adaptors
Repair Manual and CD ROM
Pictures available on request. Asking $275 for everything, shipping included.
--Ned


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