McDaniel Metals manufactures knocked down plenums that precisely fit all major manufacturers' equipment.

Options are available to customize our plenums to meet the demands of markets nationwide including:

• Metal thickness up to 22 gauge
• Insulation thickness and R-value from 1/2", R-4.2 to 2", R-8
• Two piece, L-shaped side construction
• Four piece construction
• Boxed and labeled with a barcode label
• Available flanged openings
• Plenum lengths up to 60"
• Available pinned insulation
• Available uninsulated
• Available unboxed
• Pittsburg or snap-lock construction
• Beaded for strength