Specification AirFlowCapacity : 200 cubic_feet_per_minute Brand : iPower BulletPoint1 : Efficient fan: powerful blower with a fan speed of 2500 RPM for an air flow of 200 CFM. Moves air through your target location efficiently for optimal ventilation, effectively circulates air for room ventilation and odor purification BulletPoint2 : Low noise and speed control: durable plastic fan housing and blades for extremely low noise(<30 dB). Have a variable speed controller, you can adjust it to desired airflow level according to your requirement BulletPoint3 : Easy installation: removable duct ends with locking tabs for quick removal and easy maintenance. Universal mounting bracket for direction of airflow indicating BulletPoint4 : Multifunctional: suitable for industrial, household and horticulture ventilation applications, help you maintain a healthy grow room. Ideal solution for multi-purpose use in residential and commercial ventilation BulletPoint5 : Note: max ambient temp is 104℉/40℃. Package included: 1 pack 4 inch inline duct fan with speed controller Color : 4‘’, Black CompatibleMaterial : Fabric ControllerType : Button Control ControlMethod : application CoolingMethod : Air ElectricFanDesign : blower ExternallyAssignedProductIdentifier1 : 840166221297 ExternallyAssignedProductIdentifier2 : 0840166221297 IncludedComponents : 4 Inch Fan with Speed Controller IndoorOutdoorUsage : indoor ItemName : iPower 4 Inch 200 CFM Exhaust Inline Duct Fan with Variable Speed Controller HVAC Blower for Indoor Grow Tents Garden Ventilation, 4", Black ItemPackageDimensions_Height : 32.893 centimeters ItemPackageDimensions_Length : 22.4028 centimeters ItemPackageDimensions_Width : 22.7076 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : greenhouse-ventilation-equipment Manufacturer : iPower Material : Plastic MaximumRotationalSpeed : 3000 rpm ModelName : Fan with Variable Speed Controller ModelNumber : 4 Inch 200 CFM Exhaust Inline Duct MountingType : Floor Mount NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : GLFANXINLINEEXPADJ4 PowerConnectorType : AC Plug PowerSourceType : AC ProductDescription : Are you struggling to maintain optimal indoor humidity levels despite using humidifiers, dehumidifiers, and fans? Has humidity fluctuation affected your projects like wine brewing, egg incubation, germination, reptile breeding, or greenhouse plants cultivation? It’s time to try the Vivosun humidity controller. This humidistat features a powerful 1500W output load, dual relay outputs and dual LED displays, making it suitable for a wide range of appliances. It allows for simultaneous connection to both a humidifier and dehumidifier, automatically switching between humidification and dehumidification modes to regulate and maintain your preferred humidity levels. Furthermore, it prioritizes safety with visual and audible high/low humidity alarms, sensor fault alarm, and compressor delay protection. This user-friendly, plug-and-play humidistat helps you effortlessly maintain optimal humidity levels for a comfortable indoor environment, accelerated germination, optimized plant cultivation, efficient home-brewing, and more. ProductSiteLaunchDate : 2021-04-21T07:39:27.466Z RecommendedUsesForProduct : Ventilating RoomType : Bathroom Size : 4'' Fan Style : Fan & Speed Controller SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Plastic UnitCount : 1 UnspscCode : 40101600 UpperTemperatureRating : 40 degrees_celsius Voltage : 120 WaterResistanceLevel : waterproof Wattage : 59 watts