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Segula 
Bailey What are TL lamps?
TL lamps are light sources that operate using fluorescent technology. They consume little energy and have a long lifespan. The TL tube is available in various diameters, including the very compact T4 fluorescent tube.
What does T4 mean in TL tubes?
T4 means the tube has a diameter of 4/8 inch, or approximately 13 millimetres. This makes the T4 fluorescent lamp the slimmest standard tube size, ideal for applications where space is limited.
Benefits of T4 TL lamps
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Very compact design
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Energy-efficient and long-lasting
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Pleasant light colour and good colour rendering
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Suitable for both functional and decorative lighting
Where are T4 fluorescent tubes used?
T4 fluorescent tubes are often installed under kitchen cabinets, in display cases, furniture, and other small spaces. They are also popular in workspaces and hobby rooms where focused lighting is needed.
Order your T4 TL lamps
Looking for an ultra-compact fluorescent tube? Choose a T4 TL lamp and enjoy maximum light output in minimal space. Browse the available options and order easily online.