6" Ventilation Ducting Hose Flexible Silica Gel Duct or High Temperature Vulcanized Duct

4Inch Plastic Straight or Flexible Pipe Flange for Extraction Fans, Heating and Cooling Duct Connection

8 " Non-insulated Fiber Glass Fire Retardant Flexible Air Ducting Dryer Vent Hose For Round Ventilation Pipe

24 Inch Silicone Coated Glass Fiber Duct Hose Resistant to 450 Degree Heat Flexible Duct Hose

8-24 Inch Flame-Retardant, Anti-Static, Explosion-Proof Nylon Ventilation Duct -HVAC Flexible Duct

Round Galvanized Steel Spiral Air Duct for Straight Rigid Dryer Vent

3" to 6" Inch Plastic Duct Reducer Connector for Vent Pipe Size Adapter and Ventilation Duct Converter

8" to 6" Galvanized Steel Round Air Ducting Adaptor for Bathroom Kitchen and Ventilation Systems

10 to 6 inch Round Galvanized Steel Duct Reducer for Ventilation pipe Air Conditioning