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14W 549mm T5 High Efficiency Fluorescent Tube (30) - T5 tubes - Electrical & Lighting - Supply2Order
Topaz 73600 FP14/830, 14 Watts 24 Inch Length T5 High Efficiency Fluorescent Light 3000 Warm
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Sylvania High Efficiency T5 1149mm 28W Cool White Tube
FH21w/F21w - 21w T5 Fluorescent Tube - LampShopOnline
Compact fluorescent lamps save energy but need to be disposed of properly – The Mercury News
BEW Direct - 14W T5 Fluorescent Tube Cool White HE High Efficiency 240V 549mm
14865 | Philips Lighting 14 W T5 Fluorescent Tube, 1175 lm, 600mm, G5 | RS
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Historical increase in efficiency of lighting technologies. Efficiency... | Download Scientific Diagram
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Light Bulb, 40W LED Light Bulb, Light Bulbs, High Efficiency Safety Hotel Bathroom for Bedroom Corridor
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Osram Lumilux T5 High Efficiency, Fluorescent Lamps 35 W/827 : Amazon.co.uk: Lighting
Kosnic 13.5W Non-Dimmable High efficiency LED GLS Lamp KTC13.5GLS/E27-N65 / Light Shop Direct Ltd
