16-Foot (5m) PVC Flexible Ventilation Duct Hose for 12-Inch (300mm)...

Flexible 25 FT PVC Duct Hose with S Hook and...

Title: Durable 25 ft PVC Duct Hose for 12 Inch...

Heavy-Duty 32 ft PVC Flexible Duct Hose for 12-Inch Ventilation...

Flexible 25ft PVC Ducting Hose for 10-Inch HVAC Exhaust Fans...