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Philips 32-Watt 12 in. Circline T9 Linear Fluorescent Tube Light Bulb, Cool White Plus (4100K) (… | Fluorescent tube light, Fluorescent tube, Fluorescent light bulb
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Sylvania 40W T9 circline plus circular lamp tube G10q cool white 4000K 3200lm 400mm diameter : Amazon.co.uk: Lighting
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
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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