This bright blue 2 foot (600mm) LED tube sleeve accessory is a brilliant way to alter the light in your space for upcoming events parties or just to change things up. The bright blue colour is based on the Rosco colour code of 141 making it possible to match up to existing units if needed. The diameter of the sleeve is designed to fit 32mm LED tubes please ensure that your light is compatible. This product is very simple to install simply remove your current tube slide the clear sleeve and coloured insert over and then reinstall the LED tube. Please note that this product does not have or need end caps and is only compatible with LED tubes (not for use with T8 or T12 fluorescent lights).