Dynarex ECG Gel is a high-quality gel formulated to provide a clear electrical transmission for a wide range of electro-medical procedures such as TENS and ECG, which require a thicker viscosity. This premium Gel is salt-free and alcohol-free to reduce the risk of corrosion to electrodes. The odorless, water-soluble gel is non-greasy for minimal mess and easy cleanup. Packaged in convenient 2 oz. or 8 oz. bottles. 72/CS