VERMED SILVEREST™ RESTING / ECHO EKG ELECTRODE (A10013-100S). Vermed SilveRest™ Adult Diagnostic Electrodes are the standard in diagnostic electrodes. Superior silver / silver chloride technology and quality construction produce an electrode that performs every time. Conductive Wet Gel. Excellent adhesion and clear traces mean no repeat testing. Size: 1" x 1.5" (25.4mm x 38.1mm) Rectangular foam electrode with metal snap. 100/PCH, 10PCH/CS. Price per Pouch (100 electrodes).