Adjustable Nipple, For Nominal Duct Diameter 12 in, Inlet Diameter 12 in, Product Type Quick-Fit Sleeve, Application Commercial, Overall Length 10 7/8 in, Weight 4.2 lb, Material Steel, Maximum Pressure Rating 42 in wc, Material Thickness 22 ga, Overall Height 12 in, Outlet Diameter 12 in, Maximum Airflow Not Applicable, Overall Width 12 in, Shape Straight, Seal Material Nitrile, Duct Compatibility Round, Color Silver, Maximum Temperature Rating 390 Degrees F, Minimum Pressure Rating 2 in wc