Corelite Iridium Perf suspended semi-indirect fluorescent luminairefeatures elegant style with a sleek profile and end caps. The engineeredoptical system provides a widespread uplight distribution for excellentceiling uniformity and wide row spacing. The perforated fixture housingcreates a soft downlight component to closely match the ceiling brightness, which minimizes contrast on computer screens. Iridium may be mounted individually or continuously with 4, 8 and 12 foot modular sections. Specify ceiling type.