Features: High temperature resistant aluminum foil material ensures durability and flexibility, featuring adjustable telescopic design for seamlessly integration with various range hood models. Reinforced anti statics inner walls minimize grease buildup, while lightweight plastic connectors simplify installation in small kitchen spaces. Ideal for homeowners, renters, and DIY enthusiasts upgrading kitchen ventilation systems with compatible range hood accessories. Perfect for apartment kitchens, small cooking areas, and ventilation system retrofits requiring efficient smokes extraction solution. It eliminating harmful emissions during high heat cooking scenarios. Specifications: Component: Plastic Size: Diameter: A:Approx.16cm/6.30inch B:Approx.18 cm/7.09inch Length:Approx.200cm/78.74inch Package Includes: 1Set Range Hood Duct note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you will not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.