Deflecto Easy-Connecting Dryer Vent Hook-Up Kit, 8": * Semi-rigid aluminum duct * Flexible strip gasket * Duct twists on Hooker-Upper protectors and slides over dryer vent and outlet pipe * Protects duct from being smashed behind dryer * No tools, tape or clamps required for installation * Operating temperature range: -100 degrees Fahrenheit430 degrees Fahrenheit * 8" * 30-day warranty