M&M Filter Grille Plenum, Sheet Metal, Galvanized, 6 in Length, 20 in Width, 20 in Height, R6 R-Value
| Duct Size | 20 x 20 x 6 in |
| Material | Sheet Metal |
| Finish | Galvanized |
- Plenums are fabricated to order from galvanized sheet metal in 28 ga, 26 ga and 24 ga