Square LED louvre troffer light module 625 with four louvres This LED louvre troffer light has a standard installation dimension of 62x62cm and four parabolic reflector louvres made of highly specular ultra-pure aluminium. As a result, it is largely glare-free and UGR-compliant and fulfils the standards for VDU workplace lighting. The innovative LED Prism technology from OSRAM not only ensures good light, but also energy efficiency and a long service life. The luminaire housing is made of white, powder-coated sheet steel. The LED louvre troffer light is supplied ready for connection with an external BJB connection terminal on the top of the housing.