Wall rosette, for aluminum device duct, visible surfaces electrostatically powder-coated in RAL color according to manufacturer's catalog, the potential equalization is carried out via the potential equalization cable GSLH... and the potential equalization bridge GPB 63-2, please order separately. for device duct: GAU 133-78... Dimensions (approx. dimensions) H x D: 133 x 69 mm Dimensions (approx. dimensions) outside H x D: 181 x 92 mm Color: [customer information required] RAL: [customer information required] Material: Steel, strip galvanized according to DIN EN 10346