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| Type of Product | Axial Downblast Roof Exhaust Fan | 
| Country of Origin | USA | 
| Color | - | 
| Housing Material | Aluminum | 
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                | Type of Product | Axial Downblast Roof Exhaust Fan | 
| Country of Origin | USA | 
| Color | - | 
| Housing Material | Aluminum | 
| Blade Material | Aluminum | 
| Overall Length | 42 inch | 
| Mounting Location | Roof | 
| Overall Diameter | 42 inch | 
| Overall Height | 19-1/4 Inch | 
| Part No | 6KWN9 | 
| Overall Width | 106.68 cm | 
| Item Code | 6KWN9 | 
| Includes | NEMA 1 Junction Box | 
| No. of Blades | 4 | 
| UNSPSC Code | 40101502 | 
| Standard | Amca Sound And Air Ul/Cul 705 | 
| Blade Diameter | 24 inch | 
| Phase | Three Phase | 
| Frequency | 60 Hz | 
| Current | 3.8-3.5/1.7 A | 
| Exhaust Airflow @ 0.000 in SP | 6,042 cfm | 
| Nameplate Voltage | 208/230/460 V AC | 
| Exhaust Airflow @ 0.250 in SP | 5,137 cfm | 
| Motor Enclosure | Totally Enclosed Air Over | 
| No. Of Speeds | 1 | 
| Base Height | 4.4 cm | 
| Base Width | 86.36 cm | 
| Base Length | 34 inch | 
| Housing Material Fabrication | Spun | 
| Maximum Inlet Air Temperature | 120 °F | 
| Housing Length | 42 inch | 
| Assembly | Assembled | 
| Pressure Static | 1 inch wc | 
| Housing Width | 42 inch | 
| Compatible Grainger Part Number | 4HX68 | 
| Mount Type | Roof Curb | 
| Electrical Connections | Power Cord | 
| Brake Horsepower | 1-17/100 HP | 
| Maximum Fan Speed | 1140 RPM | 
| Damper Size | 27 x 27 inch | 
| Features | Fully Rolled Baffle Bead for Stability and Ease of Transport With Spun Aluminum Hood Construction Galvanized Steel Venturi, Inlet and Supports NEMA 1 Junction Box Located in Motor Enclosure | 
| Air Type | Clean Air | 
| Base Shape | Square | 
| Included Components | Drive Package with Motor | 
| Power Consumption | - | 
| High-Efficiency Motor | No | 
| Sweep Size | - | 
| Power | 1 HP | 
| Drive Type | Direct Drive | 
| Sound Level | 19.8 sones @ 0.000 in SP and 5 ft 20.0 sones @ 0.250 in SP and 5 ft 20.0 sones @ 0.375 in SP and 5 ft 21.0 sones @ 0.125 in SP and 5 ft 21.0 sones @ 0.500 in SP and 5 ft 23.0 sones @ 0.875 in SP and 5 ft 24.0 sones @ 0.625 in SP and 5 ft 24.0 sones @ 0.750 in SP and 5 ft 24.0 sones @ 1.000 in SP | 
| Exhaust Airflow @ 0.500 in SP | 4,146 cfm | 
| Exhaust Airflow @ 0.375 in SP | 4,619 cfm | 
| Exhaust Airflow @ 0.125 in SP | 5,626 cfm | 
| Overall Height (cm) | 48.90 cm | 
| Overall Height (mm) | 489.58 mm | 
| Overall Length (cm) | 106.68 cm | 
| Overall Width (cm) | 106.68 cm | 
| Overall Diameter (mm) | 1066.8 mm | 
| Blade Diameter (mm) | 609.60 mm |