Hart & Cooley® Return Air Filter Grille, Series: 673 Series, 20 in H x 20 in W, 1/2 in Grille Spacing, 40 deg Deflection Angle, 540 cfm, 720 cfm, 900 cfm, 1081 cfm Rating, 269 sq-in Area, 40 deg Fin Degree, Steel, Bright White Enamel, 21-3/4 in Width, 22-5/8 in Height
| Area | : | 269 sq-in |
| CFM Rating | : | 540 cfm, 720 cfm, 900 cfm, 1081 cfm |
| Color | : | Bright White |
| Deflection Angle | : | 40 deg |
| Deflection Type | : | 40 deg |
| Domestic/Import | : | Import |
| Fin Degree | : | 40 deg |
| Finish | : | Bright White Enamel |
| Grille Spacing | : | 1/2 in |
| Height | : | 22-5/8 in |
| Length | : | 2.7 in |
| Material | : | Steel |
| Series | : | 673 Series |
| Size | : | 20 in H x 20 in W |
| Width | : | 21-3/4 in |
- 1/2 in spaced fins set at 40 deg
- Effectively conceals filter
- Use standard 1 in THK disposable filters (not included)
- Removable face for easy installation and cleaning
- Equipped with adjustable filter retainers
- Flush, removable face with concealed latches and hinges, can be installed two ways
- 540 cu-ft/min at 300/720 cu-ft/min at 400/900 cu-ft/min at 500/1081 cu-ft/min at 600 face velocity
Full Engineering Drawing