GE Lighting 15986 6-Watt 295-Lumen 9-Inch T5 Fluorescent Light Bulb, Cool White T5 Fluorescent 6-Watt light bulb Fluorescent lamps can cost significantly less to operate over their lifetime than incandescent lamps Rated Life: 5000 hours F6T5/CW CARD - Primary Application: Standard 295-Lumen output and 6-Watt used, Lumens measure brightness of a light bulb, Watt measure electricity used to create light