ECG Electrode Gel Tube with Highly conductive, multi-purpose electrolyte meets all the standards of the ideal saline electrode gel. Recommended for ECG, defibrillation, biofeedback and EMG. Features: Highly conductivity See-thru tube with stand-up cap lets you know how much gel is left Water soluble, non-staining, non-gritty 10g Viscous, clear aqueous gel. SKU: E-4 Categories: Biomedical Sensors, GL Products