Measuring 1500mm (5 ft) in length this primary red coloured LED tube sleeve is a great solution to adjusting your existing LED Tubes light output. It has a 32mm diameter which is capable of fitting most brands of LED tube (please ensure your tube is suitable). The coloured insert is primary red in colour and has an official colour code of 106 which can be referred to to ensure that this particular shade of red is needed. Due to the products odd diameter (32mm) it will not fit T12 fluorescent tubes and does not come with end caps. It is important to note that this comes as a clear sleeve with a separate coloured plastic insert.