Measuring 600mm in length this vibrant violet coloured LED tube sleeve is the ideal solution for changing the output of your LED tube. It is 32mm in diameter making it suitable for most brands of LED tube. The installation process is simple and straight forward all that is require is that you uninstall your 2 foot LED tube slide the clear sleeve violet insert over the tube and then reinstall your LED. Please be aware that this product comes as a clear sleeve with a coloured insert and that both parts are required for this product to function. Not suitable for T12 fluorescent lights and does not require end caps.