The Trane CHG00064 Field Charger Assembly, measuring 25.8 inches by 20.3 inches, is a replacement component designed for compatible Trane HVAC air-cleaning systems. It supports the operation of electronic air cleaners by providing the electrical charging function needed to help particles collect on designated surfaces or collection plates. This assembly helps maintain effective indoor... https://www.partshnc.com/trane-chg00064-field-charger-assembly-25-8-x-20-3