TD-25 Multi-Use Disposable Electrodes, Package of 3.
Combines the best features of both reusable and disposable electrodes such as economy, unlimited shelf life, convenience, and disposability when its life cycle has ended. Disposable after 33 uses. A package of three electrodes comes with 99 collars. It has a 10 mm diameter sensor and uses TD-19 collars to attach to the subject.