Air Duct Sleeve; Type Insulated, Air Duct Sleeve; Material Silver Metalized Polyester; Size 5 Inch Diameter x 5 Foot Length; Used On Air Duct; Applicable Standard UL 181, IMC, UMC, NFPA 90A/90B, HUD; Temperature Rating -20 to 140 Deg F; Includes (1) Starter Cone in each Carton; Application Residential, Commercial