Aluminum Duct, Ideal Applications Application, Gray Color, 8 FT Length, Aluminum Material, 10 Bulk PK Package Quantity, The Continuous Lock Seam Permits The Duct to Be Pulled Open, Compressed, Bent and Re-Bent Without Developing Leakage Special Features, Ul 2158A;Ul/Cul Listed Class 0 Standards Met, Round Duct Style, 2.01 Cu.FT Weight, 3 In Width