Duct Clamp, Compatible Grainger Part Number 30RV34, 30RV35, 30RV36, 30RV37, Compatible Manufacturer Model Number PAB1K-973, PAB1K-993, PAB1K-99ALM, PAB1K-GP3, Duct Clamp, Overall Depth 1/2 in, Overall Height 1/2 in, Overall Width 10 in, Compatible Product Type Portable Negative Air Machine, Stainless Steel. This item has been restricted from sale in the following state (s): []