Κανάλια καλωδίων πλαστικά κλειστού τύπου

12 x 12 mm, 15 x 10 mm, 16 x 16 mm, 20 x 10 mm, 25 x 16 mm, 25 x 25 mm, 40 x 16 mm, 40 x 25 mm, 40 x 40 mm, 60 x 40 mm, 60 x 60 mm, 80 x 40 mm, 80 x 60 mm, 100 x 40 mm, 100 x 60 mm