3 ft. x 21 in. Duct Plenum R8 with Cap

Part #SHMPLR8201221M  |  Item #4901324  |  Manufacturer Part #PL10202136R8A

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36 in

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Product Details

  • Standard 4 sides, 1 cap, and x-broke
  • Button-lock seam with slide in cap
  • Galvanized steel
  • Manufacturer may vary based on your location



ASTM Specifications: ASTM A653

Duct Shape: Rectangular

Height: 36 in

Length: 21 in

Material: Galvanized Steel

R value: R8

Width: 20-1/2 in