604 Series — Four Way with Multi-Shutter Damper
- Four-way, stamped curved blade
- 11/16" fin spacing
- Bright White enamel finish
| Model | Material | Damper |
|---|---|---|
| 604M | Steel | MS |
| A604M | Aluminum | MS |
| Model | Material | Damper |
|---|---|---|
| 604M | Steel | MS |
| A604M | Aluminum | MS |