Flame Retardant Perforated Insulated Round Fabric Duct

·Model:SA-PF-C ·Usage:Supply Air ·Material:Inherently Flame-retardant Polyester ·Color:light gray or custom other colors · Weight:220g/sm. Thickness: 0.35mm· · Shape:Round(Circular) · Air Distribute Type:Small Holes or Microporous · Suspension:H-Track/ Aluminum Rail System/SteelWire Cable System · Key Features:Lightweight, antibacterial, washable,flame retardant grade B1