This beautiful coloured LED T8 sleeve cover accessory is ideal for changing the feel of your room/space. In order to install this product simply take your existing LED tube out sliding the 1200mm sleeve and coloured insert over and then reinstall your LED tube. The Kelvin colour has an official colour code of 242 making it easy to look up before ordering to ensure it is the perfect fit for your space or to match to existing units. Please be aware that this product comes supplied as a plastic tube with a colour insert and that both are required for this to function. It also will only fit 4 foot 32mm diameter LED tubes and cannot fit T8 orT12 fluorescent tubes. This product does not require end caps.