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120V Powered Attic Ventilators
**DISCONTINUED** Attic Ventilator, Black Dome, 1050 CFM.
Suggested Replacement: 356BK
- Effective ventilation requires air to exit at or near the peak of the roof with replacement air drawn through soffit venting and louvers. The Home Ventilating Institute (HVI) recommends at least 10 air changes hourly to equalize temperature.
- Determine your attic ventilation needs with our Attic Ventilation Calculator.