Feit Electric 32-Watt 2 ft. T8 G13 Linear U-Bend Fluorescent Tube Light Bulb, Cool White 4100K (1-Pack) F32T8/841/U6 - The Home Depot
GE Mod-U-Line 1-5/8 in. Spacing Ecolux 31-Watt 24-in Medium Bi-pin (t8) 3500 K Bright White Ubend Fluorescent Light Bulb (15-Pack) in the Fluorescent Light Bulbs department at Lowes.com