connected

Hey folks, on my mission of replacing the majority of the hosing in the engine bay, I came across this; It's hard to see (harder to take pic of, as my crap example shows) basically looking down one of the inlet holes there is a pipe coming out only about an inch or so long, but it's not...

was looking around my engine bay and found the bright green bit which looks like a connector thats not connected, it just below the ait intake and rad bottle