Cut to suit 5 foot (1500mm) T8 LED tubes this incredible sleeve accessory is a brilliant choice for altering the colour of your existing lights for all kinds of events. It is easy to install start by simply removing your LED T8 tube then slide over the coloured insert and transparent sleeve to keep everything in place then reinstall your tube. Once installed it will create a Zenith blue colour light (Rosco colour code 195). Using the Rosco colour code allows for matching up to specific colours for future purchases and maintenance purposes. Please be aware that this item does not require end caps and is not suitable for any type of fluorescent tube.