Ultra Silver Foam Dressing, 4 x 4 Inch, 1 Case of 100 Electrodes Accessories CMV technology delivers therapeutic oxygen Undercast Padding CMV technology delivers therapeutic oxygen to the patient in the first 1 3 of the inspiratory phase for maximum efficiency Universal Charger and Desk Sets: Compact portable unit provides convenient drop in recharging of desk well charger instrument handles * Features: * Colored LEDs indicate power to the unit and that handles are charging * Constant automatic safe charging and optimum lamp performance and life * Optional wall mount kit for permanently mounting to wall or cabinet * Optional specula tray conveniently stores swabs otoscope specula and curettes * Accepts 3 Minimizes risk of maceration Fewer dressing changes for less wound bed and patient trauma