Conical funnel, for wall-to-wall connections or wall-to-ceiling transitions in large panel construction and for connections of risers (e.g. telephone-TV), also suitable for magnetic fastening and counter formwork, rated insulation voltage: 400V AC, halogen-free, magnetic or nail fastening, sealing range M20, can be used with support beams. Dimensions: 71 x 71 x 85.1mm
