GE UltraMax Proline Electronic Ballast, 120/277 Volt Instant Start Ballast, Low Power Ballast Factor, Ballast for Fluorescent Light (3) or (2) Lamp T8, Compatible with F32T8/WM and F17T8, Power Current Equipment - Amazon Canada
SYLVANIA T8 3-Bulb Commercial Fluorescent Light Ballast in the Ballasts department at Lowes.com
2 X Philips Advance Iopa-3p32-n Ballast 3 Lamp T8 for sale online | eBay