The Columbia 600 Electrode is for use with all NMES devices that treat Dysphagia patients. It is FDA cleared for use on the neck, and to be used with primary Dysphagia treatment devices. All electrodes are single patient-multiple use application, and low impedance. The carbon mesh construction is for extra comfort and strength. Electrodes are 1" round, and have a "pig-tail" connection for easy set-up protocol. Includes lead wire for connection to NMES device.