Glass fiber aluminum foil insulation flexible duct
Construction material
Inner Duct:Aluminum+ Polyester
Insulation: 25mm/16KG fiberglass or 25mm/24KG fiberglass
Outer Jacket: Aluminum + Polyester
Standard Diameter: 3, 4, 5, 6, 8, 10, 12, 14, 16 inches
Standard Lenth: 10M