iPower 4 Inch 100 CFM Booster Fan Inline Duct Vent Blower with Variable Speed Controller Adjuster, Intake 5.5 Grounded Power Cord for HVAC Exhaust, Low Noise, Silver

4 Inch Booster Fan:
Diameter: 4 inch;
Air Flow: 100 CFM;
Speed: 2930 RPM;
Voltage: 110/120V;
Wattage: 12W;
Noise Level: 40 db.

Variable Fan Speed Controller:
One control switch for 3 settings: HIGH, MED, LOW;
Note: To avoid the risk of burning out the fan motor, controller does NOT adjust below 50%. This controller is not suitable for Shaded Pole Motor and Brushless Motor Fan.

Package include:
1 pack variable fan speed controller, 1 pack 4 inch booster fan

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