Rigid Duct,Steel,20 ga Thick,Round
4 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 6,450 cfm, Connection Type Clamp Together, Series QF, Outside Diameter 13 in, For Media Type Dust.