An easy to install 600mm LED tube sleeve designed to alter the output of your current LED tube. Once installed this product will allow your light to produce a steel green colour light which is rated as colour 728 on the Rosco colour scale. To install this sleeve you must remove your LED tube and slide over the clear sleeve. Once the clear sleeve is installed the coloured insert can then be slide in between them to hold it in place. It has been designed to house up to 32mm diameter LED tubes which is suitable for the majority of brands (please check to ensure yours are compatible). Please note that this product does not include or require end caps and is not suitable for T12 or T8 fluorescent tubes. LED tubes only.