
Semi Rigid Aluminum Flexible Duct with Screw Clamps 04. Wide Diameter Range: Available in diameters from 50mm to 300mm for diverse ventilation needs. Flexible Semi-Rigid Design: Highly flexible yet durable, allowing arbitrary direction changes and easy installation. Breakage-Proof Material: Constructed from sturdy aluminum foil with a compression ratio of 0.3:1. Multi-Application Use: Ideal for range hoods, water heaters, air conditioners, and industrial ventilation. Customizable Thickness: Material thickness options range from 0.05mm to 0.15mm to suit specific requirements. Certified Quality: Products hold ISO, BSCI, and SGS certifications ensuring high quality standards. OEM Service Available: We accept OEM orders with custom branding under the ZL HOSE trademark.