Size: 2 inches x 4 inches
- Attaches to back harness pin connectors
- For use in back pad or with neck harness
- Durable and reusable
- Package of 4
PC13NG 1.75 x 3.75 square black carbon electrodes. These rectangular black carbon electrodes are used in the back pad and connect to the back pad harness wires. There are 4 electrodes per package.