pH Buffered Iontophoresis Electrodes. Adjusts the pH to the ideal target of 4.5 to optimize transport when using a carbon conductive element and maintains that ideal pH. Conveniently sized electrodes with advanced buffered technology that adjusts and maintains ideal pH for better drug delivery. Oval Shape conforms to a wide variety of treatment sites. Adhesive Foam stretches and adheres well when under stress. 12 Kits per box. Each Kit includes: 1x drug delivery electrode, 1x disposable dispersive pad, and 1x alcohol wipe Three Sizes: