This sleeve accessory has been designed to fit 2 foot (600mm) long 32mm diameter LED tubes. It will alter the light output to a Golden Amber colour which has a Rosco colour code of 134. It is very easy to install simply remove your LED tube slide over the sleeve and coloured insert then reinstall the tube. Ideal for changing the feel of a space without the high cost of expensive colour changing fittings and electrician fees. Please note that this product is suitable for LED tubes only and does not include end caps. It comes as a clear sleeve with a coloured insert.