Blast Gate, For Nominal Duct Diameter 12 in, Body Material Grade 304, Body Material Stainless Steel, Overall Length 20 1/4 in, Product Type Manual Blast Gate, Weight 18.2 lb, Maximum Pressure Rating Not Applicable, Blade Material Stainless Steel, Maximum Temperature Rating 600 Degrees F, Nameplate Voltage Not Applicable, Seal Material Not Applicable, Minimum Operating Pressure Not Applicable, Minimum Pressure Rating Not Applicable, Overall Depth 4 1/8 in, Overall Width 21 in. This item has been restricted from sale in the following state (s): []