This is a Osram 13w LED Circular Surface Mounted Luminaire in a 4000k (Cool White) colour. This fitting is a direct replacement for a standard compact fluorescent that is using 2x13w or can also be used to replace 2D fluorescent bulkheads. Constructed with a metal housing giving the fitting a IP44 rating and a IK03 impact rating, these fittings are more commonly used in areas such as corridors, bathrooms and foyers. Boasting a lumen output of 920 lumens and has a lifetime average of 30,000 hours with energy savings up to 55% in comparison to CFL fittings. Dimensions: 250mm (D) x 91mm (H) Osram Part Number: 4058075110144 Comes complete with a 3 year warranty.