Top 6 Best Duct Fan 4 Inch

Outstanding VentilationThe AirSupply ES4 delivers an airflow of 195 CFM at 5000 RPM with only 18 watts of power. Our brushless DC motor EC motor performs 30 more efficiently with 60 less power consumption than AC motors.. Durable Construction Engineered with an airtight steel case and IP44 waterproof protection in a compact design, the ES4 will stay running in harsh environments, big or small.. Quiet OperationWhisper-quiet operation is possible thanks to the variable speed controller. Adjust from 0-100 fan speed to without any increase in humming or buzzing sounds.. Easy to UseThe duct fan and controller can be mounted with no additional assembly. The permanently-lubricated bearing reduces wear and tear to cut down on maintenance.. Multiple Applications Designed for increased air circulation and moistureodor removal in grow tents, greenhouses, bathrooms, server rooms, AV equipment, or industrial workshops..

Inline booster fan diameter 4 inch, speed 2300 RPM, air flow 190 CFM, voltage 110120v. Duct fan have superior balanced blades for long service life and quiet operation,motor features a permanently lubricated bearing that operates quietly and requires no maintenance,portable and light weight. Duct fan used as intake fan to bring fresh air into grow rooms,also used as exhaust fan in smaller setups with LED or lights under 400w. Max operating temp of inline fan is 130 266,max ambient temp is 60 140. if any other materialsparticles get into the duct fan and get the blade stuck, users are to turn off the power immediately, clean it up, turn the power back on when handled properly. Inline duct fan will help to boost in HVAC units to remove exhausts and odors from bathrooms workshops and ventilate basements attics etc.

A duct fan designed to boost airflow in HVAC systems and ventilate home spaces like attics and workshops.. Features a variable fan speed controller, enabling you to optimize airflow and noise level for any application.. Unibody die-cast construction with no welded seams reduces vibration while ensuring smoother airflow.. AC brushless motor with steel blades and lubricated bearings not suitable in restricted airflow applications.. Duct size 4 Dimensions 7.28 x 3.95 x 3.95 in. Airflow 106 CFM Noise 28 dBA Bearings Dual Ball.

Designed to ventilate grow tents, transfer heatingcooling to rooms, circulate air, exhaust odors, and cool AV racks.. Features an 8-speed manual controller utilizing PWM. See T-Series for temperature and humidity controls.. Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.. Kit also includes corded AC power adapter, installation manual, and all necessary mounting hardware.. Duct Size 4 Dimensions 6.9 x 11.9 x 7.4 in. Airflow 205 CFM Noise 28 dBA Bearings Dual Ball.

HOUSEHOLD APPLICATIONS Help to boost airflow in HVAC units to remove exhausts from bathrooms workshops and ventilate basements attics, etc.. UPGRADED ADVANTAGES Superior balanced Plastic blades for long service life quiet operation Motor features a permanently lubricated bearing that operates quietly and requires no maintenance Portable and lightweight Sufficient 5.5' grounded power cord. SPECS. Diameter 4 inch, Speed 2930 RPM, Air Flow 100 CFM, Voltage 110120V, Power 12W. GROW ROOM APPLICATIONS Used as intake fan to bring fresh air into grow rooms Also used as exhaust fan in smaller setups with LEDs or Lights under 400W.. NOTE Max Operating Temp of Motor is 130 266 Max Ambient Temp is 60 140. If any other materialsparticles get into the duct fan and get the blade stuck, users are to turn off the power immediately, clean it up, turn the power back on when handled properly..

Effective Ventilation Powerful blower with a fan speed of 2500 RPM for an air flow of 195 CFM. Moves air through your target location efficiently for optimal ventilation. Efficient Design Lightweight, compact fan takes up minimal space ideal for applications where larger fans just wont fit. Efficient flow deflector feature increases air flow while cutting noise output. Low Noise Level Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB. Easy Installation Flanges on both the intake and exhaust ends for simple and easy hookup and a cord length of 5.9 feet for hassle free setup. Versatile Applications Use anywhere that would benefit from improved air flow to reduce humidity, clear the air and lower temperatures in grow rooms, basements or kitchens Can be used with a variable speed controller bought separately..

Designed to ventilate hydroponic grow rooms, transfer heatingcooling, cool AV closets, and exhaust odors.. Intelligent controller with temperature and humidity programming, fan speed control, timer, and alarm system.. Mixed flow design combined with a PWM-controlled DC or EC-motor for a truly quiet and energy efficient performance.. Kit also includes corded sensor probe, AC power plug, two duct clamps, and required mounting hardware.. Duct Size 4 Dimensions 6.9 x 11.9 x 7.4 in. Airflow 205 CFM Noise 28 dBA Bearings Dual Ball.

EFFICIENT FAN - Combines the features and benefits of axial and centrifugal fan, effectively circulates air for room ventilation and purification Please be aware that the value of air flow is the maximum tested at ZERO atmospheric pressure. EASY ASSEMBLY - Features with lightweight, durable and UV resistant plastic housing guarantees long-term use Simply remove the duct ends with locking tabs for quick installation and easy maintanance Universal mounting bracket for direction of airflow indicating. SPEED CONTROLLABLE - A variable speed controller designed in the 5.4 feet power cord, its three speed switch enables fan to run at low, medium and high speed, you can adjust it to desired airflow level according to your requirement. QUIET OPERATION - The durable fan blades revolves smoothly and powerfully, which helps collect airflow volume and cut noise output A less than 31 dB noise level does not have any harm and will not disturb your work. MULTI APPLICATIONS - Help you maintain a healthy grow room by quietly and efficiently moving large volumes of air throughout your ventilation system Ideal solution for multi-purpose use in residential and commercial ventilation.

EFFECTIVE VENTILATION Powerful blower with a fan speed of 2300 RPM for an air flow of 190 CFM. Moves air through your target location efficiently for optimal ventilation. LOW NOISE LEVEL Durable plastic fan housing and blades for extremely low noise31 dB Variable speed controller for easy fan speed adjustment.. EASY INSTALLATION Removable duct ends with locking tabs for quick removal and easy maintenance and a cord length of 5.9 feet for hassle free setup.. VERSATILE APPLICATIONS Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control.. NOTE Comes with an installation bracket indicating the direction of the airflow. Max Ambient Temp is 104 40.

POWERFUL INLINE FANMixed flow design combined with a EC motor ensure truly energy efficient, with only 40 watts of power but gives a strong airflow up to 205 CFM, very low noise level, only produces 28DB, this 4 duct fan is silent. Lightweight and balanced ABS blades reduce the airflow resistance, add airflow by 40. The speed controller comes with a long wire length up to 8.2 ft which can place it out of the tent for easier control. ETL FCC listed, safe to use.. HIGH PERFORMANCE CARBON FILTER Constructed of heavy duty metal filter housing and stainless steel flanges for longevity use RC412 activated carbon for supreme odor control and purification, carbon layer with a thickness of 38mm for greater absorption comes with a pre-filter which helpful to captures large particles and prolongs the life of the filter.. FLEXIBLE DUCT Ducting is made of high-quality aluminum and PVC, double layer design built in steel wire to ensure durable performance fully extended length 32FT Passed GB8624B1 combustion test, safe to use. Adjustable clamps are made of stainless steel , sturdy and solid, corrosion proof.. COMPLETE VENTILATION SYSTEM It is a complete set to provide good air circulation and remove all smells in your space, very easy to install you can set it up in several ways to fit your needs, save money with a fan filter combo kit that all works great together, stop buying parts separately that may not fit together.. WIDE APPLICATIONS This 4 inch Ventilation Kit has a wide variety of application, you can use it at grow tents, grow rooms, bathrooms, kitchens, greenhouses and more. Spider Farmer promises to provide excellent customer service support before and after buying. If you have any questions, please feel free to contact us via email..

Specification diameter 4inch Air flow 100 CFM Speed 2930 RPM Voltage 110120V Wattage 12W Noise level 40 db. Max operating temp of motor is 130 266 Max ambient temp is 60 140.. Application help boost airflow in HVAC heating, ventilation and air conditioning units to remove exhausts and odors from grow rooms, kitchens, bathrooms, workshops, basements, attics etc.. Premium ventilation quickly and efficiently move a vast amount of air Temperature control-cooling rooms that tend to accumulate too much heat.. Advantages superior balanced blades for long service life quiet operation Motor features a permanently lubricated bearing that operates quietly and requires no maintenance.. Note if any other materialsparticles get into the duct fan and get the blade stuck, users are to turn off the power immediately, clean it up, turn the power back on when handled properly..

CFM 167.