DEHP X-Ray Film Panoramic Green 15x30cm 100/pk Panoramic films for green sensitive intensifying screens. The base material is rare earth phosphor gadolinium oxisulphide. Speed class depends on the intensifying screen used. In general:- Pan G + Fine screens = 100, Pan G + Medium screens = 200, Pan G + Regular Screens = 400, Pan G + Fast Screens = 600.