$44.95

Master Flow's 8IFD Series is UL-approved to create safe, reliable branch lines in HVAC systems. Master Flow insulated duct consists of 4 parts: core, vapor barrier, helix and insulation. Combined, these features result in strong, long-lasting and efficient flexible duct. Indoor use only. 8 In. Black Jacket R8 Insulated Flexible Duct (8IFD Series) Building Materials Heating Venting & Cooling Ducts Flexible Ducts