A round-style monitoring electrode with 3M Microporeâ„¢ Surgical Tape backing. Patented solid gel penetrates the skin quickly allowing high quality. Low chloride content minimizes skin irritation. Radiolucent to minimize the need to replace or remove electrodes in most radiological imaging applications.- Monitoring Electrode, No Abrader, 6cm Dia, 50/bg, 20 bg/cs (Continental US+HI Only) Stock Item