Skirting board duct SL-L for concealed cable routing indoors. With snap-on upper part and lower part with perforations in the base for direct wall mounting. Change direction with the molded parts and close the ends of the duct with the end pieces. Equipment tank for mounting power and data technology. With elastic connection lips for concealing uneven wall surfaces. Upper and lower parts packed as a set in a box. The duct couplings must be ordered separately. Tested according to DIN EN 50085-1 and DIN EN 50085-2-1.