This sleeve accessory has been designed to fit with 600mm long 32mm diameter LED tubes. It will alter the light output to a Mag-Magenta colour which is based on Rosco code 795. It is very easy to install simply remove your tube slide over the sleeve and coloured insert then reinstall the tube. Ideal for changing the atmosphere 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.