Photo 1 of F20T12/CW (2 Pack) 2ft Fluorescent Tube Light Bulb 20 Watt T12 20W Cool White 4100K 1.5 Inch Diameter F20T12 Replaces F20T12/SP41/ECO, F20T12/CW/ECO, F20T12/CW/ALTO (2)

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Photo 1 of F20T12/CW (2 Pack) 2ft Fluorescent Tube Light Bulb 20 Watt T12 20W Cool White 4100K 1.5 Inch Diameter F20T12 Replaces F20T12/SP41/ECO, F20T12/CW/ECO, F20T12/CW/ALTO (2)Photo 2 of F20T12/CW (2 Pack) 2ft Fluorescent Tube Light Bulb 20 Watt T12 20W Cool White 4100K 1.5 Inch Diameter F20T12 Replaces F20T12/SP41/ECO, F20T12/CW/ECO, F20T12/CW/ALTO (2)