Originally Posted by f8al
Stako tanks are not legal in the US because the core does not go all the way to the neck of the bottle. It stops where the bottle begins to taper and supposedly leaks air since there is no core in that area.
LOL - dunno who told you that, but obviously it is impossible to have a functioning tank without a core in an area
They are not legal in the US, because DOT does not have a regulative for approving flexible liners as of yet