Fits laryngoscope models: 664 series size 2-4, 690 series sizes 3-4, 680 series sizes 2-4, 692 series sizes 3-4, 634 series sizes 2-4, 674 series sizes 2-4, 694 series sizes 3-4, 684 series sizes 2-4, 640 series size 1, 640 series sizes 2-4, and 4015 transilluminator.
