This 5ft (1500mm) LED tube sleeve will change the light output of your existing LED tube to a Medium Red colour. Medium red is a generalised descriptor for the colour produced by this product its official colour classification is code 027 which can be used to confirm that the desired colour is as required for your application. Not only does this coloured sleeve adjust the light colour of your LED tube but it also offers a degree of additional protection too. Please note that this product is 5ft (1500mm) in length and 32mm in diameter which is suitable to fit most brands of LED tubes (Please check your tube). It is also important to note that this product will not fit a T12 tube and does not come with end caps as the diameter is an irregular size. This product includes a clear tube with a medium red (027) coloured insert.