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PHILIPS 34500-9 - PL-L 18W/30-18 Watt Long Twin-Tube Compact Fluorescent Light Bulb, 3000K : Amazon.co.uk: Lighting
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4 Pack) PLC-18W 841, 4 Pin G24q-2, 18 Watt Double Tube, Compact Fluorescent Light Bulb, Replaces Sylvania 20668 and PL-C 18W/841/4P/ALTO : Amazon.co.uk: Lighting
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