Feit Electric 18-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD18E/HDRP - The Home Depot
GoodBulb 18-Watt CFL Bulb, 120-Volts Energy-Efficient Quad-Tube Lamp, 4100K Cool White Color (Pack of 4 Bulbs) - Amazon.com
Feit Electric 18-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD18E/HDRP - The Home Depot
Sunlite 9 in. 18-Watt U-Bent T6 FUL 4-Pin GX10Q CFL Fluorescent Tube Light Bulb, Black Light (5-Pack) HD02596-5 - The Home Depot