Humongous height value for not preventing cutoff

Question

I am trying to apply a on a but I am having problems with things being clipped, not just the blur but also parts of origina

Answer 1

You have to move the upper border of the filter effect region as well. Default is y=-10%.

As an aside, using absolute values only works if you set filterUnits="userSpaceOnUse". The same note on the use of y values applies.