GE T8 4-Bulb Residential Fluorescent Light Ballast in the Ballasts department at Lowes.com
GE Lighting 8.9" 50/60Hz Programmed Start Electronic Ballast
Plug and Play Universal Fit LED T8 4 FT Tubes, 3000K Soft White, 15 Watt, 1900 Lumens - Works with electronic T8 ballasts or without ballasts (bypass), Clear Lens
Howard Lighting 4 Lamp T8 Standard Factor High Efficiency Ballast EP4/32IS/MV/MC/HE