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Philips 40-Watt 4 ft. ALTO Supreme Plus Linear High CRI T12 Fluorescent Tube Light Bulb,Cool White (4100K) (30-Pack) 423129 - The Home Depot
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Philips 27359-9 - F40T12/DX/ALTO - 40 Watt Fluorescent Tube - T12 - 6500K - 900 Series Phosphors - Amazon.com
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Philips 40-Watt 4 ft. Linear T12 Type A ALTO Fluorescent Tube Light Bulb Bright White (3000K) (2-Pack) 543439 - The Home Depot
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Philips 40-Watt 4 ft. ALTO Supreme Linear T12 Fluorescent Tube Light Bulb, Cool White (4100K) (10-Pack) 422675 - The Home Depot
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