... , 2x28, 1x36, 2x36... Electronic ballast for T5 or T8 fluorescent lamp 1x14, 2x14, 1x18, 2x18, 1x28, 2x28, 1x36, 2x36... Description Materials ... effectively improve the quality and enhance the illumination lighting. High power factor, harmonic content is low, good anti-electromagnetic interference performance, suitable ...