Refractor; prismatic plastic refractor made of polycarbonate; 4 slotted screws attachment; Housing colour translucent; Light distribution direct/indirect distribution by means of Clear prismatic refractor. for cadira refractor Dimensions (LxWxH/DxH): 475mm x 225mm Certification mark: Indoor, CE Regiolux GmbH Type: CDH-R tz Article number: 37379000100 Product deep link: https://www.regiolux.de/en/article/37379000100 General warranty conditions: www.regiolux.de/en/Service/Warranty