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21" 13W T5 Fluorescent Tube 535 [3500k] Standard White (Crompton) : Amazon.co.uk: Lighting
Crompton 13watt 21 Inch Flourescent Tube (525mm) T5 (16mm) Colour 35 White G5 Cap FT2113W Tubes
13 WATT, 21 INCH T5 COOL WHITE FLUORESCENT BULB - Philips brand T5 fluorescent. 13 Watts and 21″ for use in under… | Fluorescent tube, Fluorescent bulb, Fluorescent
Philips 13-Watt 21 in. Linear T5 Fluorescent Tube Light Bulb Bright White (3000K) 546481 - The Home Depot