Rectangular Insulated Return Air Fabric Duct

· Model:RA-IF-R · Usage:Return Air · Material:Polyester+Insulation Material+Glass Fiber · Weight:0.8kg/sm-1.4kg/sm .Thickness of insulation: custom 15/20/25mm ·Shape:Rectangular ·Color:gray · Vents Type:ABS Vents or Louver · Suspension:Aluminum Rail System · Key Features: lower heating conductivity coefficient,energy saving, precise temperature control, reducingheating and cooling loss