Philips AmbiStar 120-Volt 1 or 2-Lamp T8 Instant Start Residential Electronic Fluorescent Replacement Ballast by PHILIPS – Lucky Wholesale Lighting
GE T8 2-Bulb Residential Fluorescent Light Ballast in the Ballasts department at Lowes.com
GE UltraMax Proline Electronic Ballast, 120/277 Volt Instant Start Ballast, Normal Ballast Factor, Ballast for Fluorescent Light (1) or (2) Lamp T8, Compatible with F32T8/WM and F17T8 - Electric Plugs - Amazon.com
GE UltraMax Proline Electronic Ballast, 120/277 Volt Instant Start Ballast, Normal Ballast Factor, Ballast for Fluorescent Light (1) or (2) Lamp T8, Compatible with F96T8 and F96T8/WM - Electric Plugs - Amazon.com
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