Knightsbridge 16W T4 Fluorescent Bulb The Knightsbridge T416TUBE 16 Watt T4 Fluorescent cool white 4000k tube, diameter of 12mm and measuring 468mm in length including pins and 454mm excluding pins, is ideal for low energy cabinet shelf lighting in the home and commercial use. Please double-check length of this tube before ordering as some manufacturers have different T4 tube lengths, despite having the same wattage. Slimline fluorescent tube is flicker-free and instant start, 240v mains power. Constructed in high-quality materials with good build quality. 2 Pin end cap connectors. Energy Efficiency Rating and CE approved. Technical Specification: Colour Temperature: 4000K Colour Description: Cool White Dimensions: Length Including Pins: 468mm Length Excluding Pins: 454mm Diameter: 12mm You may also be interested in the T10 Fluorescent Tube.