Vevor 25ft Pvc Flexible Duct Hosing For Exhaust Fan 12inch High-quality Material Portable & Flexible Adjustable Ropes D-shaped Rings Reinforced Design Wide Application Condition: Brand new,Environment Temperature: -20~180 (-28~82 ),Gross Weight: 13.2 lb (6 kg),Product Type: Flexible fan ducting,Length: 25' (7.6 m),Suits Fan Diameter: 12.3' (31.2 cm),Package Dimensions: 13.8 x 13.4 x 10.2' (35 x 34 x 26 cm)