iPower 4 Inch 100 CFM Booster Fan Inline Duct Vent Extractor for HVAC Exhaust and Intake 5.5' Grounded Power Cord Beneficials | Enzymes | Microbes | Bacterias If you follow the label

If you follow the label directions

Greenhouses

Brass construction for long-lasting dependability and durability

AN Big Bud 23L

iPower 4 Inch 100 CFM Booster Fan Inline Duct Vent Extractor for HVAC Exhaust and Intake 5.5' Grounded Power Cord Beneficials | Enzymes | Microbes | Bacterias If you follow the labelDiameter: 4 inch; Air Flow: 100 CFM; Speed: 2930 RPM; Voltage: 110 120V; Wattage: 12W. Portable, lightweight and can be installed anywhere; Extra long 5. 5' grounded power cord inside. Superior balanced blades for long service life & quiet operation; Motor features a permanently lubricated bearing that operates quietly and requires no maintenance. 12 Month Warranty. Help boost airflow in HVAC (Heating, Ventilation and Air Conditioning) units and