Radionic IS115-40CTP Electronic Start, Hybrid Ballast: Use with (1) F15/20/30T8/T12, F18T18, FC8/12T9, F40T10/T12 Radionic Electronic Start, Hybrid Ballast. For Use with (1) F15T8/T12, F18T18, F20T8/12, FC8T9, F30T8/T12, FC12T9, F40T12-25W, F40T12-34W or F40T10/T12 Fluorescent Lamp Watts: 15 Watts, 20 Watts, 22 Watts, 30 Watts, 32 Watts, 34 Watts, 40 Watts End Of Life Protection 5 Year Manufacturer's Warranty 120VAC, 60Hz, UL/CUL Listed