... sample disposabel ecg electrode,ecg chest electrode ECG Electrode(ECE01,Foam backing,oval),match with various ECG devices,widely applied ... . 1).ECG Electrode Features: Adult, size:43*49mm,oval shape,foam backing,Solid conductive gel,Ag/AgCl sensor. 2).ECG Electrode ... low impedance solid medical conductive gel,white or original color PE foam tape or cloth tape with medical hypoallergenic adhesive, white ...