Rigid Ducts, For Nominal Duct Diameter 7 in, Inside Diameter 7 in, Overall Length 60 in, Product Type Rigid Duct, Weight 44 lb, Material Steel, Material Thickness 26 ga, Maximum Pressure Rating 3 in wc, Maximum Temperature Rating 212 Degrees F, Shape Straight, End Type Crimped/Plain, Standards ASTM A653 and A924, SMACNA Seal Class A, Seal Material EPDM, Co-Polymer, Color Black, Maximum Airflow Not Applicable, Connection Type Press Fit, Minimum Temperature Rating -40 Degrees F, Finish Galvanized. This item has been restricted from sale in the following state (s): []