VIVOSUN 4″ x 25ft Flex Air Ducting, 2-Pack

Upgrade your HVAC ventilation system with this VIVOSUN 2-Pack 4-inch x 25-foot flexible aluminum ducting, designed for optimal air circulation in residential and commercial spaces. Engineered for seamless integration with duct fans, dryers, and exhaust systems, this ducting ensures a tight, leak-proof fit when paired with a 4-inch fan, enhancing airflow efficiency. The premium aluminum construction resists high temperatures and corrosion, while the included stainless steel clamps provide a secure, rustproof connection for long-lasting durability.

Built with multi-layer protection, this ducting features fire-retardant aluminum foil lining and a PET thermoplastic middle layer to prevent cuts, tears, and leaks. The flexible steel wire core allows for easy installation and customization, adapting to any space or angle. Ideal for HVAC applications, bathroom vents, kitchen exhausts, or grow room air circulation, this lightweight and portable solution delivers reliable performance in a variety of settings.