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EnergyEfficient 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.Upgrade Controller The 4 inch duct fan with upgraded AC controller for more stable voltage and longer life, you can adjust airflow and noise as needed.Easy to InstallHonGuan air exhaust fans blade and the body are made of high quality plastic, for quick removal and easy maintenance.Application ScenariosThe 4 inch inline duct fan designed to quietly ventilate grow rooms, bathrooms, kitchens, workshops, basements, attics and etc, in order to boost airflow in HVAC systems.Excellent PerformanceDuct size 4 Dimensions 7.28 x 3.82 x 3.82 in. Voltage 100240V Air Presssure 165 Pa Noise 26 dBA MORE DETAILS airflowcapacity 130 cfm asin B0H4YSNZ99 bestsellersrank 19,566 in Tools Home Improvement See Top 100 in Tools Home Improvement 34 in Household Ventilation Fans color Black New customerreviews 4.3 4.3 out of 5 stars 185 4.3 out of 5 stars datefirstavailable June 12, 2026 includedcomponents Inline Duct Fan, Speed Controller installationmethod Inline itemmodelnumber HI100SD itemweight 1.43 pounds manufacturer HonGuan material Plastic mountingtype Pole Mount powersource Corded Electric productdimensions 7.28 x 3.82 x 3.82 inches size 4 Inch New soundlevel 26 db specialfeatures Low Noise, Energy Efficient, Stepless Speed Control speed 4500 rpm style Inline voltage 100 voltsofalternatingcurrent wattage 6 watts
