The vivid lagoon blue shade of this T8 LED coloured sleeve add on is a simple way to change the appearance of your room / space for all kinds of applications. The lagoon blue colour has a Rosco colour code of 172 making it possible to match it up to existing sleeves. It is easy to install by sliding it over your existing LED tube (both the transparent tube and coloured insert are required). It has been cut to fit a 1500mm (5 foot) LED tube and is compatible with the majority of LED tube brands provided they are the standard 32mm in diameter. Please be aware that this item does not require end caps and is only suitable for LED T8 tubes.