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Sylvania 21136 (6-Pack) CF13DS/827/ECO 13-Watt Single Tube Compact Fluorescent Light Bulb, 2700K, 800 Lumens, 82 CRI, T4 Shape, GX23 Bi-Pin Base - Amazon.com
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Sylvania Dulux 13 Watt Single Tube T4 Compact Fluorescent Lamp With 2-Pin Base, 2700K Color Temperature, 82 CRI - Cf13Ds/827/Eco 20331 - Osram Bulb - Amazon.com
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Sylvania 21134 (12-Pack) CF13DS/841/ECO 13-Watt Single Tube Compact Fluorescent Light Bulb, 4100K, 800 Lumens, T4 Shape, GX23 Bi-Pin Base - Amazon.com
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