Large conduit box U 71 DGR

U 71 DGR ceiling large conduit box, for installation in concrete, 2-part, Diameter 60 mm Ø, 4 screw bosses with a 60 mm screw spacing, combinable, With M5 threaded bushing to take a ceiling hook, suitable for opposing formwork, with protection rating IP30, for installation in concrete, up to 90°C, halogen-free, 71 x 71 x 89, with smooth face for nail and adhesive fixing