Philips 40-Watt 4 ft. Linear T12 ALTO Fluorescent Tube Light Bulb Cool White (4100K) (2-Pack) 543421 - The Home Depot
LED Tubes – The Ultimate Guide to Replacing Fluorescent Tubes
Philips 16-Watt (40-Watt Equivalent) 4 ft. Linear T12 InstantFit LED T – Arborb
GE 40-Watt EQ T12 Cool White Medium Bi-pin (t12) Fluorescent Light Bulb (12-Pack) in the Tube Light Bulbs department at Lowes.com
Feit Electric 40-Watt 4 ft. T12 G13 Linear Fluorescent Tube Light Bulb, Cool White 4100K (2-Pack) F40CWX/2 - The Home Depot
Maxxima 4 ft. Utility LED Shop Light Fixture - 40 Watt, Linkable, Clear Lens 5000K Daylight 4800 Lumens, Plug in, Pull Chain, Ideal for Garage and Workshop Lighting, Energy Star - Walmart.com
Philips 40-Watt 4 ft. Linear T12 Type A ALTO Fluorescent Tube Light Bulb Bright White (3000K) (2-Pack) 543439 - The Home Depot