not perforated small duct made of steel, incl. cover with turning bolts, sendzimir hot-dip galvanized according to DIN EN 103426, for managing single cables
not perforated small duct made of steel, incl. cover with turning bolts, sendzimir hot-dip galvanized according to DIN EN 103426, for managing single cables
BK floor duct - Technical information 
Floor ducts - Assembly instructions