About This Flexible duct: Designed for tight spaces, this dryer vent hose allows for a 90-degree bend for easy installation in tight areas. The included accessories provide added convenience and ensure a secure and stable setup. Aluminum material: Constructed from semi-rigid aluminium foil, this dryer vent hose is built to last and meets the recommendations of household dryer manufacturers. It offers greater durability compared to traditional aluminium foil/PVC dryer vent hoses. Flame-resistant construction: Tested and certified with a fire rating of "0", the HOOMESUN 4" semi-rigid dryer duct ensures safety by preventing the spread of flames and smoke. It can withstand temperatures from -22℉ to 482℉, making it suitable for various dryer applications. Optimum efficiency: This dryer hose features a 4-inch standard connection compatible with most dryer vents. Whether compressed or bent, this vent hose ensures smooth airflow to maximise drying efficiency. Its smooth interior further enhances airflow, promoting safe and effective drying Accessories included: Each package includes 4 Inch 8 FT semi-rigid dryer duct, can be seamlessly integrated with dryers. Includes two hose clamps to secure the joint, paired with 3.9-micron aluminum foil tape for sealing, ensuring a secure and airtight connection Overview Brand : HOOMESUN Material : semi-rigid aluminum Color : Silver Product Dimensions : 60"L x 4"W Item Weight : 0.46 Kilograms Outside Diameter : 4.12 Inches Item Length : 60 Inches Manufacturer : HOOMESUN Specific Uses For Product : clothes dryer;vent