Flex Duct, Product Type Flexible Duct, Compatible Grainger Part Number 30RV49, 30RV50, 30RV51, 30RV52, Compatible Manufacturer Model Number PAB2K-973, PAB2K-993, PAB2K-99ALM, PAB2K-GP3, Material Wire Reinforced Mylar, Overall Depth 25 ft, Overall...