Tube white aluminum extensible flexible fumes from 1 to 3 mt. Nominal diameter 130 mm. Features Aluminum alloy 3003 (99.9%); colored with epoxy coating for high temperatures, extendable up to about mt. 3.00. Applications of heating, cooling, ventilation, connecting ducts exhaust, suction of welding fumes and dust. Supplied with an inlet end which allows insertion into a coupling.