Philips 434878 16.5-watt InstantFit 4-Foot T8 LED Tube 3500K Light Bulb Philips InstantFit 16.5W T8 3500K 48 inch LED tube light 16.5W T8 LED LED, Base: G13 2-Pin Wattage: 16.5W, Luminous Flux (LM): 2000 Color Temperature (K): 3500K Rated Life (Hours): 50000