Specification AirFlowCapacity : 195 cubic_feet_per_minute Brand : VIVOSUN BulletPoint1 : Efficient and Quiet Ventilation: The PWM-controlled EC motor and mixed-flow design deliver powerful, quiet, and energy-efficient performance; Operating at 2800 RPM, this fan generates 195 CFM of airflow with low energy use and a noise level of just 28 dB BulletPoint2 : Adjustable Fan Speed: PWM control enables precise and easy speed adjustment to suit your needs; Simply turn the knob to select from three speed levels and set the fan to your desired speed effortlessly BulletPoint3 : Safety Protection: The ETL-listed EC motor includes an automatic reset function to prevent overheating and ensure safety; With locked-rotor protection, the fan cuts off power and resets automatically if the blades are blocked; The flame-retardant electrical junction box enhances fireproofing BulletPoint4 : Simple Hookup:Intake and exhaust flanges with locking tabs make vent hose connections quick and secure; The 5.9 ft cord provides flexible setup; The detachable housing, impeller, and blade simplify cleaning and maintenance BulletPoint5 : Versatile Applications: Efficiently exhausts stale air, supplies fresh air, and boosts airflow to balance humidity, regulate temperature, and improve air quality in grow tents, grow rooms, basements, or other spaces Color : Black CoolingMethod : forced air CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 0749787825016 ExternallyAssignedProductIdentifier2 : 749787825016 GpsrSafetyAttestation : 1 ItemDisplayWeight : 1.08 pounds ItemName : VIVOSUN M4 4-Inch Inline Duct Fan, 195 CFM Ventilation Fan with EC Motor, Adjustable Speed, Energy-efficient Vent Blower for HVAC, Grow Tent, Hydroponics ItemPackageDimensions_Height : 24.4094 centimeters ItemPackageDimensions_Length : 19.6088 centimeters ItemPackageDimensions_Width : 22.098 centimeters ItemTypeKeyword : greenhouse-ventilation-equipment Manufacturer : VIVOSUN Material : Polyurethane MaximumRotationalSpeed : 2800 rpm ModelName : VSV-IFM4 ModelNumber : VSV-IFM4 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : VSV-IFM4 PowerConnectorType : Power Cord (Plug) ProductDescription : This fan delivers strong airflow with minimal noise, making it ideal for boosting ventilation and regulating temperature and humidity in grow tents. The high-quality EC motor, combined with PWM control and a mixed-flow design, provides powerful and energy-efficient performance. Its durable plastic housing and compact, lightweight build allow for easy installation in any required location. ProductSiteLaunchDate : 2024-09-09T08:03:24.480Z RequiredProductComplianceCertificate : 1 Size : 2"x263' Style : Box SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 43201600 Voltage : 110 volts Wattage : 18 watts