Cover, for desk duct external corner base 90°, with continuous profile in the cover to accommodate the equipotential bonding bridge GPB 63-2, consisting of a right and a left cover section, visible surfaces electrostatically powder-coated in RAL color according to the manufacturer's catalog, the equipotential bonding is carried out via the equipotential bonding bridge GPB 63-2, please order separately. for desk duct external corner 90°: PLA 120-78 C for cover opening: 78 mm Surface structure: visible surfaces fluted Color: [customer information required] RAL: [customer information required] Material: aluminum Delivery: in pairs