Animation frames number ?

Hello,
recently I got an interest to animate filters, tried few ones and noticed that at least those I tried have limited to 90 number of generated frames. It could be enough if the video produced fr om a sequence could loop infinitely, but for example this one I could not loop

https://filterforge.com/filters/15990.html

my question is - is it possible to choose somewhere the number of frames and increase that I could produced 15 sec sequence?
with 30 fps it must 900 pictures. I have no problem to run such longer tasks because have few PCs which run at night. If there is fundamental limitation or just FilterForge own application internal settings or it is inside of filters?

I tried to edit the mentioned filter https://filterforge.com/filters/15990.html but could find anywhere wh ere I could change produced files number..
If there fundamental limitation in Filter Forge generation the change between frames could be smaller that final sequences could look the same (begin and end) I mean 90 and 900 in my example, just step for change is 1/10 for 900 pics comparing to 90 pics sequence..

Have someone any clue on this? thanks!

P.S. I downloaded v 12 beta but it was the same and I did not found any new features about applying filters to videos, but this is another question