Specification AirFlowCapacity : 205 cubic_feet_per_minute Brand : VEVOR BulletPoint1 : Universal Applications: Take a deep breath and relax. Our inline duct fan is specially designed as an exhaust for heat, humidity, and smoke, improving airflow in air planting tents, hydroponic planting rooms, electronic equipment rooms, kitchens, basements, etc. Get ready to go with the flow. BulletPoint2 : Blow Your Worries Away: Our inline fan provides a sufficient airflow of 205 cfm, enough to handle wide areas of ventilation and dehumidification, maintaining clean and fresh air circulation in dry environments all the time. Take control of any environment confidentially. BulletPoint3 : Power in Silence: Are you tired of loud, obnoxious ducts? Well, get ready to work in silence! Our inline exhaust fan is equipped with a high-quality EC motor that ensures strong power at a low noise of 28 dB, which will not disturb your work and life. At the same time, the motor saves 30% on energy consumption, extending its service life. BulletPoint4 : Take It Easy: VEVOR's inline air duct fan adopts a smart controller. You will freely switch the ON/OFF/TIMER/AUTO modes (High Temperature; Low Temperature; High Humidity; Low Humidity). Pressing the UP and DOWN buttons simultaneously will turn the AUTO MODE off. The auto alarm function is also included. The controller automatically starts or stops according to the temperature and humidity. Note: The controller does not adjust the speed automatically. The speed can only be adjusted artificially. BulletPoint5 : Everything You Need: To save time and costs, we provide a 4-inch inline fan with stainless steel clamps, and non-vibration rubber mats and straps, allowing you to effortlessly complete installation. Additionally, you are not restricted in how you install the high-quality duct fan. Choose between hanging it or mounting it on the wall. Collection : Industrial Fans Color : Black CompatibleDevices : Grow Tent ConnectorType : Wall Outlet Plug ControllerType : Button Control ControlMethod : application CoolingMethod : Air ElectricFanDesign : blower ExternallyAssignedProductIdentifier1 : 840281562596 ExternallyAssignedProductIdentifier2 : 0840281562596 FinishType : Powder Coated IncludedComponents : Temperature Humidity Controller IndoorOutdoorUsage : indoor IsElectric : 1 ItemName : VEVOR Inline Duct Fan, 4-Inch 205 CFM Quiet EC-Motor Ventilation Exhaust Fan, with Temperature Humidity Controller for Cooling Booster, Grow Tents, Hydroponics ItemPackageDimensions_Height : 32.4 centimeters ItemPackageDimensions_Length : 23.8 centimeters ItemPackageDimensions_Width : 27.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hydroponic-ventilation-equipment MainPowerConnectorType : Standard North American power cord Manufacturer : VEVOR Material : pp Material1 : Plastic Material2 : Metal MaximumRotationalSpeed : 2900 rpm ModelName : Inline Duct Fan, 4-Inch 205 CFM with Temperature Humidity Controller, ModelNumber : 4-Inch Inline Duct Fan MountingType : Wall Mount NoiseLevel : 28 decibels NumberOfBlades : 3 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfSpeeds : 3 PackageLevel : unit PartNumber : EC Inline Duct Fan, 4-Inch PowerConnectorType : Standard Power Cord PowerSourceType : Corded Electric ProductDescription : VIVOSUN inline duct fan helps with ventilation issues; This fan is built durable, runs smooth and quiet; Durable plastic fan housing and blades for extremely low noise; Variable speed controller for easy fan speed adjustment. ProductSiteLaunchDate : 2023-02-02T03:15:01.000Z RecommendedUsesForProduct : Air Circulation RoomType : Bathroom Size : 4 Inch SpecificationMet : cetl listed,osha Style : EC-motor SupplierDeclaredDgHzRegulation : not_applicable SwitchType : Pull Chain Theme : Industrial Fan UnitCount : 1 UnspscCode : 43201600 Voltage : 120 volts_of_alternating_current Wattage : 21 watts