Dual Filter Return Air Plenum

Dual Filter Return Air Plenum


Metal Zinc’s Dual Filter Return Air Plenum one unit replaces separate Media Filter Box, Transition and Return Air Plenum at a significant material and labor cost savings.


  • Space for up to 5” media filter
  • 1” new construction/per-filter
  • Insulated to R4, R6 and R8 specifications or un-insulated
  • Plenty of space for up to 4 return air tracks
  • “Tested Tight” in system leak testing
  • Comes assembled

Standard Construction

  • 28-gauge galvanized steel ASTM A653
  • Blank-off plate for connection to indoor unit
  • Extra strong clasps and hinges on filter section
  • Factory installed gasket on door significantly lowers air leakage.
  • 1” flange in multiple lengths
  • Up to 7 standard sizes for media section

Optional Construction

  • 4” MERV 11 media available with unit
  • Knockdown versions available (boxed or unboxed)
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Product specifications

Metal Zinc Part Number Size A x B x C Pallet Quantity
DFP162030-R6-1-116 x 20 x 3012
DFP162530-R6-1-116 x 25 x 3012
DFP202030-R6-1-120 x 20 x 3012
DFP202530-R6-1-120 x 25 x 3012
DFP252030-R6-1-125 x 20 x 3012
DFP322030-R6-1-132 x 20 x 3012
DFP322530-R6-1-132 x 25 x 3012
DFP161535-R6-1-116 x 25 x 3510
DFP202035-R6-1-120 x 20 x 3510
DFP202535-R6-1-120 x 25 x 3510
DFP252035-R6-1-125 x 20 x 3510
DFP162547-R6-1-116 x 25 x 4710
DFP202047-R6-1-120 x 20 x 4710
DFP202547-R6-1-120 x 25 x 4710
DFP252047-R6-1-125 x 20 x 4710
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Call 281.630.0224
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Related products

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