VIVOSUN 4" Flex Aluminum Ducting, 25 Feet Air Duct with 2 Clamps, 2-Pack — Open-Box, 8% Off

Perfect Connector: This ducting is primarily used with duct fan systems in various air circulation and ventilation projects to move and transport air, increasing airflow and easing connections between spaces; It's compatible with front-mounted and top-loading dryers/fans. Duct connection specifications note: match duct size to fan diameter for a tight, leak-proof fit – e.g., pair a 4'' fan with 4'' ducting

Premium Material: Made of aluminum, it is resistant to high-temperature and corrosion-resistant, being able to serve for a long time; The stainless steel clamps are rustproof, corrosion-resistant, and heavy-duty, ensuring a seamless junction

Multi-Layer Structure: Reinforced multi-layer design with built-in steel wire for enhanced durability and leak resistance; The internal aluminum foil layer provides fire/flame retardancy; PVC outer layer offers flexibility and corrosion resistance; The thermoplastic PET middle layer prevents cuts/tears and leakage

Flexible and Convenient: Thanks to the built-in steel wire, the length and shape of this ducting is flexible to change for fitting exhaust fan blower or inline fan; Being portable and lightweight, it can be installed at any place; Comes with 2 duct clamps in the same duct opening size for easy setup and securer connection

Abundant Applications: Suitable for both commercial and residential air duct solutions; Widely used in HVAC applications, bathroom venting, stove exhaust, dryer ventilation, kitchen cooking exhaust, planting room, or warmhouse air circulation, etc.; Also used to cool AV equipment rooms, closets, racks, and cabinets

Keep air moving with confidence. Built for reliable airflow and easy installation, this flexible aluminum ducting helps create efficient ventilation for grow rooms, HVAC systems, dryers, exhaust fans, and more.