Skout Skout Epoch Evo bottle adaptor does not close the bottle...leaking when turned off

Very strange.
I fitted the EVO bottle adaptor on my Epoch...only for it to fail on the 10th time of cycling!
I went to turn it off, only for the air to continue draining from the bottle without ever stopping.
Has anyone had this issue, also does anyone know if this tread is normal or reversed as I can't get it off to investigate.



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