Triangle Duct Board Box (Assembled)

Our R6 (1.5") Duct Board Triangle Boxes come fully assembled and ready to install, helping you complete jobs faster. Handcrafted in Port Charlotte, FL from premium fiberglass duct board, these boxes offer superior insulation, durability, and noise control. Designed for HVAC professionals, they provide efficient airflow and a clean, professional finish for any system.

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

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

Ask about volume pricing!