Thanks guys for the info.
I just checked the Suzuki filter you suggest and YES it is exactly the same!
Good Work!
In "Meiwa" brand it is a S3003 (Suzuki DR100/125,SP100/125,GN125 plus a few others.)
It also fits the Loncin 250 Motor (Puzey/Motovert XTR250)
Cheers
TC