Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-1 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E/41/HDRP - The Home Depot
GE 32W 4 Pin GX24q3 Soft White Triple Twin Tube CFL Bulb | F32TBX/830/A/4P/ECO (4-Pin) | Bulbs.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
Philips 32W 4 Pin GX24q3 Neutral White Long Triple Twin Tube CFL Bulb - - Amazon.com
Satco 27W 6500K Quad Tube 4 Pin CFL Bulb - CFL10370 at Batteries Plus