Photo 1 of F40T12/D (4 Pack) 4ft Fluorescent Tube Light Bulb 40W 40 Watt Daylight T12 F40T12 6500K 1.5 inch Diameter Replaces F40DX F40T12/865/ECO F40SP65/ECO F40DX/ALTO F40/LR/ECO/2P F40T12/DX (4)

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Photo 1 of F40T12/D (4 Pack) 4ft Fluorescent Tube Light Bulb 40W 40 Watt Daylight T12 F40T12 6500K 1.5 inch Diameter Replaces F40DX F40T12/865/ECO F40SP65/ECO F40DX/ALTO F40/LR/ECO/2P F40T12/DX (4)Photo 2 of F40T12/D (4 Pack) 4ft Fluorescent Tube Light Bulb 40W 40 Watt Daylight T12 F40T12 6500K 1.5 inch Diameter Replaces F40DX F40T12/865/ECO F40SP65/ECO F40DX/ALTO F40/LR/ECO/2P F40T12/DX (4)