Disposable adhesive pads that fit national brand AED trainer electrodes. Theyâ€™re easy to use - simply stick the original brand's AED trainer electrode pads onto the ElectroLastâ„¢ pads used in class. When it's time to replace the ElectroLastâ„¢ pads, just peel them off and start fresh with a new pair. Extend electrode set life. Set of 5.