GE Lighting 72877 Energy Smart Spiral CFL 23-Watt (100-watt replacement) 1600-Lumen T2 Spiral Light Bulb with Medium Base, 2-Pack by GE Lighting GE Lighting 72877 Energy Smart Spiral CFL 23-Watt (100-watt replacement) 1600-Lumen T2 Spiral Light Bulb with Medium Base, 2-Pack 2-Pack