Flow Dental Kopy Kat Duplicating X-Ray Film manufactured by Flow Dental is designed for use with any x-ray film duplicator. Each sheet of film will reproduce one panoramic (5 x 12 or 6 x 12 inch) film or up to 27 intraoral x-rays. Dental Duplicating Film is conveniently notched to indicate which side of the x-ray duplication sheet face the film being exposed.