Cavity wall fire protection box D = 68 mm, t = 62 mm, with cable and pipe entries,Highest fire protection requirements, With fire resistance class EI120, With fire resistance class EI30 to EI60 without insulating wool, Opposite installation possible, Direct protection in the event of smoke, Maintains the soundproofing function of the wall, Guaranteed windproof, Sealing on mounting screws, 2K technology, Efficient processing and handling, Tool-free cable and pipe entry, Pipe and cable labeling applied on both sides, Standard milling hole D = 68 mm, Subsequent installation possible