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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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Westinghouse Fluorescent Circular Light Bulb, Soft White, 2800 Lumens, 40-Watts, 7.3-In. Diameter | Killingworth True Value
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Philips 32-Watt 12 in. T9 Circline Linear Fluorescent Tube Light Bulb, Daylight Deluxe (6500K) (1-Pack) 262600 - The Home Depot
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NYLL - 9 Inch/ 9" Plug & Play T9 Circline LED Lamp - Daylight (6000K) Circular Bulb Directly Relamp & Replace 30W Fluorescent Bulb FC9T9, FCL30 (Without rewiring or Modification) - Ballast Required! - Amazon.com
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