Duct Board Cubes (Unassembled)

Our R6 (1.5") Duct Board Cubes are designed for reliable airflow and easy installation. Each cube is precision-cut from high-quality fiberglass duct board, providing excellent insulation and noise reduction. These unassembled cubes ship flat, making storage and transport simple and efficient — perfect for HVAC professionals looking to save time and space.

Available Sizes:
• 12" x 12" ID – 16" x 16" OD
• 14" x 14" ID – 18" x 18" OD
• 16" x 16" ID – 19" x 19" OD
• 18" x 18" ID – 22" x 22" OD
• 20" x 20" ID – 24" x 24" OD

Don't see the size you're looking for? Contact Plenums Made Easy for custom orders.

Ask about volume pricing!