Rectangular Duct

Rectangular Duct is available in any size, color, gauge and metal.


Slip & Drive



Angle Iron

Standard and reducing transitions are also available in any size with option of radius or vanes.

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Insulated Rectangular Duct


Most duct work requires insulation.  MPI can pre install all insulation previous to shipping.  This provides you the customer with consistency in quality and reduced field labor.

All our duct work is in accordance with SMACNA HVAC Duct Construction.  MPI is environmentally conscious when choosing its materials.  We provide you with the best durable quality products on the market.  

MPI also offers Rectangular Duct in Double Wall Insulated.