Deskripsi 12″ FLEXIBLE DUCT HOSE LENGHT: 10M Spiral Non-Flammable Flexible Duct Connecting with the portable ventilator fan and large-scale ventilation equipments. The spiral flexible ducts with non-flammable treatment are easy and simple to be used in ventilation with the extended flexible ducts. The flexible ducts can be extended simply by connecting the extension over the ring on the end of the duct.
