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 - - Amazon.com
T8 LED 24 Inch Tube Fluorescent Replacement 900 Lumens 6,000 Kelvin White Light
AMAX LIGHTING 120-Volt 4.13 in. Electronic Ballast 1 Lamp FC8T9/T5 HD22-120B - The Home Depot