The Haf is suitable for, among other things, sand-lime brick, plaster, cellular concrete and can optionally be coupled on 3 sides (horizontally and vertically). This is suitable for connecting installation wire. It has an inlet opening (spout) to which the installation pipe, with a standard diameter of Ø 16 mm, can be connected. The box is fitted with a lid with 2 screws and has impact edges that prevent the pipe from being inserted too far into the box. This Multi has a clamping device of both 40 and 50 mm and is equipped with a pipe inlet of both 16 and 19 mm, which is adjustable in height. It can be clamped into a hole of Ø 82 mm. With a rotatable ring. The multi-box is fitted with a traceable lid/detection label. This makes the box easy to find again after plastering. Ask a product question