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2 Pack) 5.5 inch OD, 4 Pins Inside, T4 12W 6400k Circular Bulb Replacement for Conair Makeup Mirror, Round Fluorescent Lamps- FC121 : Amazon.co.uk: Lighting
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Havells Sylvania T9 Circline Plus Circular Fluorescent Tube 32W 4 Pin G10q 3000K - John Cribb & Sons Ltd, UK Electrical Distributors, Dorset, Hampshire, Wiltshire, Somerset & the Isle of Wight.
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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Caprock General 114865 11 watt Circular Fluorescent lamp for Desktop Magnifying Lamps, 6500 Degrees Daylight Illumination : Amazon.co.uk: Lighting
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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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