Associated accessories Required outer casing not included WCBR21A Aluminium outer casing for plasterboard for deep-set installation – black – h 91 mm 567 mm Required outer casing not included WCBR22A Aluminium outer casing for plasterboard for deep-set installation – black – h 91 mm 847 mm Required outer casing not included WCBR23A Aluminium outer casing for plasterboard for deep-set installation – black – h 91 mm 1127 mm Required outer casing not included WCBR25A Aluminium outer casing for plasterboard for deep-set installation – black – h 91 mm 1689 mm Required outer casing not included WCBR27A Aluminium outer casing for plasterboard for deep-set installation – black – h 91 mm 2250 mm Required outer casing not included WCBR27AC Aluminium outer casing for plasterboard for deep-set installation – black - h 91 mm 2247 mmIf necessary, see the standard outer casings (Brenta 2) to achieve the desired length WCBR290PA Horizontal L-shaped aluminium outer casing for plasterboard deep-set installation - 588x648 mm WCBR290SA Vertical L-shaped aluminium outer casing for plasterboard deep-set installation - 634x634 mm Required outer casing not included WCBR29A Aluminium outer casing for plasterboard for deep-set installation – black – h 91 mm 2810 mm Required outer casing not included WCBR29AC Aluminium outer casing for plasterboard for deep-set installation – black - h 91 mm 2807 mmIf necessary, see the standard outer casings (Brenta 2) to achieve the desired length
