CS2- 150 commercial electrodes

Two channel professional commercial generator for commercial production 20-100mA, can make two batches at once or two batches using different electrodes 99.99% pure, example silver electrodes in one and zinc or other metals in the other, and needs 4 electrodes ,6”x6”=$500,6”x8”=$700, 4x$500=$2000 USD or 4x$700=$2800.