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Aurora Lighting A2-DCFE218EM 240V PL-C (4-Pin) 2 x 18W Emergency Compact Fluorescent Downlight, UK Electrical Supplies
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4 Pack) PLC-18W 827, 4 Pin G24q-2, 18 Watt Double Tube, Compact Fluorescent Light Bulb, Replaces Sylvania 20683 and Philips 38329-9 - PL-C 18W/827/4P/ALTO : Amazon.co.uk: Lighting
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