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Is it true that using a tube light is better than a bulb in terms of saving eneregy? How and why? - Quora
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ETi 48-Watt 4 ft. Linear LED Tube Light Bulb Retrofit Conversion Kit Replaces 8 ft. T8 T12 Fluorescent Bulb 7200 Lumen 5000K 64101162 - The Home Depot
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Philips 36W 48-in Yellow TLD fluorescent lamp. T8 with Medium bipin base | TLD36W/16 (Yellow) | Bulbs.com
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Philips 40W Equivalent 4 ft. Linear T12 Type A Instant Fit Cool White LED Tube Light Bulb (4000K) 544759 - The Home Depot
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