| Area | : | 0.18 sq-ft |
| CFM Rating | : | 180 cfm |
| Color | : | Bright White |
| Deflection Type | : | 2-Way |
| Duct Opening Size | : | 3-1/2 in H x 11-7/16 in W |
| Finish | : | Enamel |
| Grille Spacing | : | 1/3 in |
| Height | : | 5-1/4 in |
| Material | : | Steel |
| Series | : | 661 Series |
| Size | : | 12 x 4 in |
| Width | : | 13-1/4 in |
Hart & Cooley® Sidewall/Ceiling Register, 661 Series, 12 x 4 in, 1/3 in Grille Spacing, 2-Way Deflection, 180 cfm, 0.18 sq-ft Area, 3-1/2 in H x 11-7/16 in W Duct Opening, 13-1/4 in Width, 5-1/4 in Height, Steel, Finish: Enamel, Bright White
- Used for ceiling or sidewall installations
- Ideal for shallow duct installations
- 1/3 in spaced fins set at 20 deg
- Galvanized multi-shutter valve
- Interlocking valve louvers for positive shut-off