Bionet Ecg Cardiocare 2000 and Cardiotouch 3000 Ecg Chart Paper - 215 mm X 25 meter EKG Paper (5 Rolls)

can it be used for welch allyn cp 100

will this paper roll work for eli 230 burdick/mortara

will this paper work with nihon kohden cardiofaxV?

What is the size of the core? will it fit bionet cardiocare 2000? we used a4 size z fold paper, but yours is roll paper, is it compatible?