| Blade Spacing | : | 1/3 in |
| Deflection Angle | : | 55 deg |
| Domestic/Import | : | Import |
| Effective Area | : | 296 sq-in |
| Finish | : | White Powder Coated |
| Flow Rate | : | 579 to 1648 cfm |
| Material | : | Steel |
| Series | : | 173 |
| Size | : | 20 x 20 x 1/4 in |
| Type | : | 1-Way |
TRUaire™ Return Air Grille, 1-Way, Series: 173, 20 x 20 x 1/4 in, 579 to 1648 cfm, 296 sq-in Effective Area, 55 deg Deflection, 1/3 in Blade Spacing, Steel, White Powder Coated, Import