Adjustable Nipple For Nominal Duct Diameter 8 in Inlet Diameter 8 in Product Type Quick-Fit Sleeve Application Commercial Overall Length 11 1/8 in Weight 2.7 lb Material Steel Maximum Pressure Rating 42 in wc Material Thickness 22 ga Overall Height 8 in Outlet Diameter 8 in Maximum Airflow Not Applicable Overall Width 8 in Shape Straight Seal Material Nitrile Duct Compatibility Round Color Silver Maximum Temperature Rating 250 Degrees F Minimum Pressure Rating 2 in wc