Owens Corning QuietR Spiral Duct Liner fits your specific duct size, compression at grooves and joints is kept to a minimum, providing consistent thermal performance throughout the entire duct system. | Owens
Distribution International supplies Fiberglass Duct Liner like our 1” X 60” X 100' OWENS CORNING QUIETR DUCT LINER Fiberglass Duct Liner.
QuietR 120 x 48 x 1 in. R4.3 Silver Fibrous Glass Type 475 Duct-Board | Winsupply