Osram Dulux?L 55w/954 Bulb (2G11) - 55w Long Compact Fluorescent Light Bulb by Fotodiox Short and compact pin-base lamp with double-turn tubes, Single-ended four-pin plug-in 2G11 base 5400k - LUMILUX DE LUXE Daylight; ~4000 Rated luminous flux Rated Color Rendering Index &gt;90; Light Color - 954 250-300 Watt Incandescent Equivalent, Lifespan of ~20,000 Hours 24-Month Manufacturer Warranty