Plenum Box with Turning Vanes

Engineered for performance and built for durability, our ductboard plenum with integrated fiberglass turning vanes is designed to improve airflow efficiency and reduce turbulence at critical transitions.

Each plenum is fabricated from high-quality fiberglass ductboard with a reinforced foil exterior and precision-sealed seams for long-lasting performance. The internal turning vanes help guide airflow smoothly through the box, minimizing pressure loss and improving system efficiency—especially in tight turns and high-velocity applications.

Key Features:

• Integrated turning vanes for optimized airflow
• Reduces turbulence and static pressure loss
• Fabricated from premium foil-faced ductboard
• Fully sealed seams for durability and air-tight performance
• Custom sizes available to fit your project requirements

Ideal For:

• Air handler supply/return plenums
• Commercial and residential HVAC systems
• High-performance duct layouts requiring smooth airflow transitions

Price shown covers sizes up to 20x30x48"

Built to save time in the field and deliver consistent results on every install.