Flush-mounted device box with airtight membrane entries, for use in masonry with an installation depth of at least 46 mm. . 4 x 3 screw domes . 2 pre-assembled device screws . Connection piece with bayonet lock that can be coupled on both sides . 4 combination pipe entries 20 and 25 mm . 2 entries up to 20 mm in the connection piece . 2 entries up to 12 mm in the floor
