Philips Lighting 383141 PL-C Linear Compact Fluorescent Lamp 13.4 Watt 2-Pin G24d-1 Base 900 Lumens 83 CRI 2700K Incandescent White Alto Fluorescent bulbs are energy saving bulbs and last up to 10 times longer than incandescent bulbs Fluorescent bulbs help you save money using 40 - 70% less energy than incandescent bulbs Fluorescent bulbs are 5-8 times more brighter (more output lumens /watt) than incandescent bulbs Philips Double Tube 2-PIN fluorescent bulb, 13W, Base: G24D-1, Color Temp: 2700K, Rated Life (hours): 10000