Features: Flexible pipe is applicable for air pollution, industry, household, central air conditioning, ventilation system, subway ventilation, semiconductor, smoke exhaust in electronic factory,etc. The air duct hose is made of high-quality aluminum, high temperature resistant & corrosion resistant, durable and long lasting; It features 2-layer protect, making it more durable and resistant to leaks; Dryer exhaust hose is fire resistant and no gas release in high temperature. Comes with 2 duct clamps in the same duct opening size for easy setup and secure connection; Built-in steel wire for reinforcement and long lasting. Specifications: Material:Aluminum Option Length:1.5m/4.92ft ;9.84ft; 6m/19.69ft; Diameter:Approx.50mm/1.97in Working Pressure:250MMWG Package Includes: 1xDryer Vent Hose 2x Screw Clamps note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.