Rigid Duct, For Nominal Duct Diameter 24 in, Inside Diameter 24 in, Overall Length 58 3/4 in, Product Type Rigid Duct, Weight 45.8 lb, Material Steel, Material Thickness 20 ga, Maximum Pressure Rating 42 in wc, Maximum Temperature Rating 390 Degrees F, Shape Round, End Type Quick-Fit, Standards Not Applicable, Seal Material Co-Polymer, Nitrile, Silicone, Color Silver, Maximum Airflow 21,995 cfm, Connection Type Clamp Together, Series QF, Outside Diameter 24 in, For Media Type Dust