M&M Register Boot, 201R Series, Compatible Duct Diameter: 8 in, 30 ga Gauge, 4 in Register Opening Length, 14 in Register Opening Width, Finish: Galvanized
| Compatible Duct Diameter | : | 8 in |
| Finish | : | Galvanized |
| Gauge | : | 30 ga |
| Register Opening Length | : | 4 in |
| Register Opening Width | : | 14 in |
| Series | : | 201R Series |
M&M 201R1448