5" Inch Flexible Aluminum Ducting Hose Insulated R-6.0 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork Insulation - 25' Feet Long - in Accordance with UL 181

5" Inch Flexible Aluminum Ducting Hose Insulated R-6.0 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork Insulation - 25' Feet Long - in Accordance with UL 181

5 Pcs 15.7inch/400mm(Hoop diameter Max) Stainless Hoop Steel Hose Clips Duct Clamps Adjustable Worm Drive Hose Clamp For Inline Duct Fan Hydroponic Duct Hoop