VERMED STRESS / HOLTER EKG ELECTRODES (A10098-5NB) - Silver/Silver Chloride. Oval Foam Electrode shape for better adhesion and closer spacing on your patient. Pregelled with wet gel. Aggressive adhesive even on diaphoretics. Soft foam construction. Size: 1-1/2" x 2" (38.1mm x 50.8mm). 5/PK, 110PK/CS (550 electrodes). Priced per Case.