This LED tube Sleeve accessory is easy to install by putting the clear tube and coloured filter over your current 1500mm LED tube and installing it into your fitting (LED tubes sold separately). It will adjust the light output of your LED to a beautiful Light Red colour (Rosco code 182). This is a brilliant and simple way of changing the feel of your space without expensive fittings being installed. Please be aware that this product is 5ft (1500mm) in length by 32mm in diameter which is suitable for most brands of LED tube. It will not fit T12 type fluorescent tubes and does not come with end caps. Please note that this product comes supplied as 2 pieces a clear plastic tube and a coloured insert.