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 Stainless Steel Material Thickness 20 ga Maximum Pressure Rating 42 in wc Maximum Temperature Rating 1 100 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