BR70 was replaced by BR65 with a uniform cover track of 80 mm as part of a portfolio revision. BR70 can only be ordered as a replacement for the extension of an existing installation., Parapet duct top section for BR with top section width 120 mm made of PVC in pure white. Trunking top made of plastic, snap-on, internal, top width 80/100/120 mm, for the electrical installation trunking system parapet trunking in accordance with DIN EN 50085-1 as a device installation trunking.