(Case of 10) Philips Lighting 38328-1 - PL-C 13W/841/4P/ALTO - 13 Watt CFL Light Bulb - Compact Fluorescent - 4 Pin G24q-1 Base - 4100K Lumens: 900 Wattage: 13W Color Temp: 4100K Life Hours: 12,000 Base Type: G24q-1