BioMedical Life Systems EERC200M Pigtail Electrode, 2 in. Square, 4/pk, 10 pk/bg. The pre-wired electrodes offers extreme flexibility. Designed to last two weeks or more, the adhesive is durable while being non-irritating. The pre-wired socket system permits easy lead wire connections when the electrode is applied to those in. hard to reach in. areas such as the upper and lower back.








