Sheet steel housing, rectangular cross-section, suitable for use in clean rooms and clean room areas according to DIN 14644-1, manufactured according to IPA specifications, as well as the GMP (Good Manufacturing Practice) quality assurance guidelines, direct light distribution using a micro-prism panel made of acrylic glass with a naturally anodized aluminum frame, light color neutral white (840) with very good color consistency and high color rendering Ra>80, for computer workstations, 65° < 3000 cd/m² all-round glare protection according to the current standard DIN-EN 12464-1, electrical connection via 3-pin connection terminal with plug-in contact technology.