Philips Advance LO1322TPM 1 Lamp, 120 Volt, 0.21 to 0.29 Amp, 0 to 39 Watt, Preheat, Magnetic, Nondimmable Fluorescent Ballast

1 Lamp, 120 Volt, 0.53 to 0.56 Amp, 0 to 39 Watt, Rapid Start, Magnetic, Nondimmable Fluorescent Ballast 0.75, 0.76 Ballast Factor, Thermal Protection, T9/Circline Lamp

1 or 2 Lamp, 120-277 Volt, 0.21 to 0.78 Amp, 0 to 39, 40 to 79 Watt, Programmed Start, Electronic, Nondimmable Fluorescent Ballast 0.80, 0.85, 0.93, 0.94, 0.95, 0.96, 0.97, 0.98, 1.00 Ballast Factor

1 Lamp, 120-277 Volt, 0.11 Amp, 0 to 39 Watt, Instant Start, Electronic, Nondimmable Fluorescent Ballast 0.88 Ballast Factor, T8 Lamp

1 Lamp, 120-277 Volt, 0.16 to 0.26 Amp, 0 to 39 Watt, Instant Start, Electronic, Nondimmable Fluorescent Ballast 0.90, 0.91, 0.93 Ballast Factor, T8 Lamp

4 Lamp, 120-277 Volt, 0.50 to 0.93 Amp, 0 to 39 Watt, Programmed Start, Electronic, Nondimmable Fluorescent Ballast 0.88, 0.90 Ballast Factor, T8 Lamp