Accessory code X113 Outer casing complete with adapter for recessed installation on concrete ceilings X113: Outer casing complete with adapter for recessed installation on concrete ceilings Technical description: Painted sheet steel outer casing for concrete ceilings with adapter for flush installation and closing cap. Made of painted sheet steel. For Laser Blade InOut version with ten optical elements (L=291mm). Installation: On concrete ceilings. Recommended particle size for inert elements in concrete 0-25mm. For further information, please consult the instruction sheet. Colour: Indeterminate (00) Weight (Kg): 2