Philips 40-Watt 4 ft. Linear T12 U-Bend Fluorescent Tube Light Bulb Bright White (3500K) (1-Bulb) 562966 - The Home Depot
F40T12/D 36321 40 Watt 6500K Daylight Fluorescent Bulb Medium Bipin Base (G13), Free Shipping!!! - My Lighting Solutions
GE Ecolux Starcoat covRguard 40-Watt 48-in Medium Bi-pin (T8) 4100 K Cool White Fluorescent Light Bulb (24-Pack) in the Fluorescent Light Bulbs department at Lowes.com
Philips® 22-5/8" Fluorescent Bulb, 40 Watt, T12 U-Tube, 4,100K, Package Of 12 | HD Supply
Sylvania 22435 Fluorescent Bulb, 40 W, T12 Lamp, Medium L...