rubber pad for i.v. flow regulator ISO/13485 CE cert size:24*2mm. NBR OEM available (1)With ISO13485 Certificate(2)NBR rubber o ring for i.v. flow regulator(3)size:2x24mm mainly export to EU, NBR material, torlence within 0.02mm, more precise ok, could be done according to drawing. ISO 13485 standard.