The Octo Z and the SS1 use the same LP quick disconnect. If you get the quick disconnect adapter that adapts the Octo Z coupling to a standard inflator coupling you can screw the BX inflator on to the corrugated hose and use that if you want.
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Claymore, thanks for the reply and info. However, I don't quite understand the above quote regarding LP quick disconnect and BX inflator.
When I buy the zeagle express tech and octo z, all i need to do is unscrew the inflator from the express tech bc, then attach the octo z by screwing it back on, then connect the LP hose from the 1st stage to the octo z. Is that correct ? What adapter do you mean ?