Philips 453613 InstantFit 32-watt Equivalent T8 LED Tube 5000K Light Bulb, 4-Feet, 10-Pack Philips 32 Watt equivalent 4ft T8 InstantFit LED consumes only 12 Watts of energy, saving you up to $55 in energy costs Glass-free & mercury-free allowing for safe conditions and non-hazardous waste disposal Turns on instantly with no flicker or buzz Compatible with most electronic instant-start T8 ballasts as well as some program-start T8 ballasts Philips Internal Model # 9290011242