ECG Electrode(932F55,Foam,Oval),match with various ECG devices,widely applied to Operation Room,ICU,ECG ... diameter·Conductive Central Gel·Disposable only·Cooper snap·Agcl stud sensor,with adhesive conductive gel·Medical grade,Acrylate Adhesive that will not ... break with sweating or contact with any liquids over the patient’s skin.·Hypoallergenic ...