21 x 18 x 17-1/2 in. Plenum with Cap

Part #SHMPLR817122118  |  Item #7341768  |  Manufacturer Part #PL10172118R8A

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18 in
Packaging Info:
  • Quantity Per 
  • Each: 1
  • Inner pack: 1

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ASTM Specifications: ASTM A653

Duct Shape: Rectangular

Height: 18 in

Length: 21 in

Material: Galvanized Steel

R value: R8

Width: 17-1/2 in