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22W 32W Round Fluorescent Lamp Circular Blub Lamp T9 Ring Tubes Light Replacement of Fluorescent daylight
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
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CHKADAWA Circular Bulb FC8T9/DL, 8 Inch T9 22W Circline Fluorescent Light Bulbs, Replacement Round Fluorescent Lamp Tube, Bright Daylight 6400K 1250 Lumens, G10q 4 Pin Base, 2 Pack - - Amazon.com
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