Premium 8 Large 2" x 4" White Foam Backed Electrodes with Tyco ® Gel 2 Resealable Packs of 4 Electrodes Each by ProPatch® Great for Lower Back
These are premium extra large replacement electrodes with US Made Covidien Gel Adhesive that are deisgned for multiple application. These are premium Ag Silver Conductor with white foam back electrode pads.They are self-adhering, reusable and disposable.  Make sure you receive Pro-Patch Brand Product. Do not accept cheap imitation