inline or intank pump

[civiclxb16]

ok i picked up a fuel pump from a guy on honda-tech it is a brand new walbro 190 just traded some parts for it. but what i wanted to know is how can i tell if it is an inline pump or an intank pump? if this helps here are the numbers on it
walbro gss250
20604-1

 

[jamesA]

I'm lookin at that pump on apeusa.com, it says it's an inline pump. 190 lph.