This Kelvin (blueish green) coloured LED sleeve accessory is ideal for adjusting the feel of your room. It is easy to install simply take your existing LED tube out sliding the 2 foot sleeve and insert over and then reinstall your LED tube. The Kelvin colour has an official colour code of 242 making it easy to look up before ordering to ensure it is the perfect fit for your space or to match to existing units. Please be aware that this product comes supplied as a plastic sleeve with a colour insert. It also will only fit 600mm 32mm diameter LED tubes and cannot house T12 tubes. This product does not require end caps.