Elko junction box (4 x 16/20) (double)

Double junction box for installation on wallboard (single or double plasterboard). With four connecting pieces for 16 and 20 mm pipes. Supplied with cover, partition wall and connecting pieces with sealing plug. Can also be fitted with height adjuster ring (6 mm) (1420338). Rated for fire resistance and sound insulation when installed according to the instructions. Halogen-free.