Alpine Ventilation Duct Adapter Reducer for Flexible and Rigid Ducting Installations

Constructed from durable, long-lasting materials, this reducer features a ridged design that makes fitting fast and straightforward, while its clamp-ready profile allows for a tight, dependable seal when used with standard duct clamps. Ideal for use in rangehoods, exhaust fans, heat recovery and general HVAC installations, it provides a simple, professional solution wherever duct sizes need to be joined or reduced.

• Creates an airtight connection between different duct sizes
• Suitable for flexible foil and semi-rigid ducting
• Ridged profile for easy, secure fitting
• Clamp-ready design for a tight, reliable seal
• Durable construction for long-term ventilation performance
• Perfect for rangehood, exhaust, and HVAC ductwork

Whether you are upgrading an existing ventilation system or installing new ductwork, this duct adapter reducer offers a clean, efficient way to achieve professional-grade airflow management and compatibility across your components.