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