Type Two：Wall duct rod
4. Fiberglass core
5. Polypropylene coat
6. Wear resistand
two size diameter of duct rod: 4.5mm and 6.0mm.
4.5mm duct rod
Length you could choose: 30M, 40M, 50M, 60M, 70M, 80M, 90M, 100M.
6.mm duct rod
Length you choose: 30M, 40M, 50M, 60M, 70M, 80M, 90M, 100M, 120M, 150M.