4 Inch Inline Duct Fan with Upgrade Controller - 130 CFM Airflow with 6W Ultra-Low Power and Low Noise 2026-03-11 and Detailed Instructions

and Detailed Instructions

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4 Inch Inline Duct Fan with Upgrade Controller - 130 CFM Airflow with 6W Ultra-Low Power and Low Noise 2026-03-11 and Detailed InstructionsEnergy Efficient VentilationThis powerful inline duct fan speed of 4500 RPM can create the air flow of 130 CFM, Maximum power consumption is only 6W. Upgrade DC motor & low noise effectively circulating air, quickly move vast amount of air to exhaust odors. Controller The 4 inch duct fan with AC controller for more stable voltage and longer life, you can adjust airflow and noise as needed. Easy to InstallHon&Guan air exhaust fan's blade and the body