Dundas Jafine 8 ft. L x 5 in. Dia. Silver Aluminum Semi-Rigid Vent Duct

Flexible aluminum ducting This Class 0, non-combustible duct is constructed of a special aluminum alloy that prevents corrosion and metal fatigue The machine fabrication produces a continuous lock seam that permits the duct to be pulled open, compressed, bent, and re-bent without developing leakage