Width: 25mm, height: 53mm, length: 215mm, material: sheet steel, duct fastening sets consisting of sturdy brackets for fastening the flexible air duct to the bare concrete floor. The brackets are made of galvanised sheet steel and are suitable for impact dowels. The edging prevents the duct from slipping sideways. Duct fastening sets consisting of sturdy brackets for fastening the flexible air duct to the bare concrete floor. The brackets are made of galvanised sheet steel and are suitable for impact dowels. The edging prevents the duct from slipping sideways. Duct fastening sets consisting of sturdy brackets for fastening the flexible air duct to the bare concrete floor. The brackets are made of galvanised sheet steel and are suitable for impact dowels. The edging prevents the channel from slipping sideways.
