24", 36", or 48" long metal plenum with (1) end cap. (2 end caps if product name specifies) Flat. Furnace Stands are a return plenum box., Snaplock seams. Flat & banded.
- Width:
- 20.50 (in)
- Height:
- 2.00 (in)
- Depth:
- 36.50 (in)
