ECG Electrode(915W50,Dia.50mm,Nonwoven backing),match with ECG devices,widely applied to Operation Room,ICU,ECG monitoring ... 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 ...