Amazon.com: 1-1/2 Inch ID Duct Hose AC Heater Defrost, 6 Feet Cloth [91-49C] Air Conditioning : Automotive
75mm Dual Pipe Hot Air Vent Duct Hose + Y Connector for RV Truck Parking Heater - Walmart.com
Rubber-Cal 4 in. I.D. x 25 ft. HVAC Ventilation-Flexible Duct 01-225-4 - The Home Depot
Espar / Eberspacher and Webasto APK Ducting 60mm - 1 meter
Universal 2" 50 mm) Defroster A/C Heater Dash Vent Blower Duct Hose, 6 ft Long | eBay
60mm Preheater Hose Air Inlet Pipe,Air Duct Drain Hose Car Heater Duct Vent Warm Air Outlet for 2000/6000 W Air Heaters, Aluminum Foil Heater Duct Pipe Car Air Ducting Hose/1pc - Amazon.com
HEATER VENT HOSE 2 1/2 INCH - The Service Company
1964-72) Heater Duct Hose-Heater Only
Dayco Emission Control Carb Duct Hose | 1907601 | Pep Boys