Dust Collection Duct and Fittings, For Nominal Duct Diameter 9 in, Inlet Diameter 9 in, Overall Length 27 in, Product Type Double Branch, Weight 8.5 lb, Material Stainless Steel, Maximum Pressure Rating 42 in wc, Material Thickness 22 ga, Maximum Temperature Rating 1,100 Degrees F, Minimum Pressure Rating 2 in wc, Shape Double Branch, Inside Diameter 9 in, Outlet Diameter 9 in, Angle 30 Degrees , Maximum Airflow Not Applicable, Color Silver, Connection Type Clamp Together, Environment Type Dusty