20SF4V180C (Shutter Exhaust Fan)
| Shutter Size | 20" |
| Rough-in Opening | 20.5" X 20.5" |
| Prop Dia | 20" |
| Prop Type | 3 wing |
| HP | 1/4 |
| Ph | 1 |
| Volts | 115 |
| High Amps | 2.8 |
| High CFM | 3340 |
| Spd | Var. |
| Approx. Coverage | 900 sq/ft |
| Fan Weight | 28 lbs |
| Dbs @ 7 ft. | 57 |
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| Shutter Size | 20" |
| Rough-in Opening | 20.5" X 20.5" |
| Prop Dia | 20" |
| Prop Type | 3 wing |
| HP | 1/4 |
| Ph | 1 |
| Volts | 115 |
| High Amps | 2.8 |
| High CFM | 3340 |
| Spd | Var. |
| Approx. Coverage | 900 sq/ft |
| Fan Weight | 28 lbs |
| Dbs @ 7 ft. | 57 |