The Metal Shop 500176-MS 850 Plenum is a great choice for your ventilation needs. This plenum is knocked down and comes in a 23.5" x 11.5" size. Here are some of the features of this product:
- Brand: The Metal Shop
- Part Number: 500176-MS
- Width: 11.5 in
- Height: 23.5 in
- Length: 4 ft