Top 8 Best 4 Exhaust Fan

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.

EFFECTIVE VENTILATION Fan speed is 2500 RPM, Air flow is 195 CFM. Powerful blower for optimal ventilation. REASONABLE DESIGN The light and compact fan takes up the smallest space it can also be used in a small space. The efficient baffle function can increase airflow while reducing noise output. LOW NOISE The deflector makes the fan airflow more concentrated and reduces the turbulence energy, thereby reducing the sound output to only 30 dB. VERSATILE APPLICATIONSSuitable for growth room, basement or kitchen, improve air circulation, reduce humidity and lower temperature. SIMPLE INSTALLATION The flanges on the intake and exhaust ends can be connected easily and easily. The cable length is 5.9 feet and can be easily set.

Multiple Applications Designed for increased air circulation and moistureodor removal in grow tents, greenhouses, bathrooms, server rooms, AV equipment, or industrial workshops.. Outstanding VentilationThe ES4 delivers an airflow of 195 CFM at 5000 RPM with only 18 watts of power. Our brushless DC motor performs 30 more efficiently with 60 less power consumption than AC motors.. 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.. 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.. 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..

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.

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.

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..

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.

EFFICIENT FAN - Quiet and efficient design, work well in ventilating grow tents, transfer heat or cool rooms, circulate fresh air, and control proper humidity, temperature, and air quality for your grow area Be aware that 195 CFM is the maximum value of air flow tested at ZERO atmospheric pressure. PREMIUM CONSTRUCTION - Blades are made with high-quality components for smooth, whisper-quiet operation Ultra-accurate craftsmanship of the centrifuge reduces noise and vibration Compact design means minimal use of space and will fit in any grow room. LOW NOISE - Fan runs at 2930 RPM with 195 CFM of airflow Fan is equipped with a flow deflector to cut noise output Runs at 30 dB noise level to ensure your grow operation wont disturb your life. EASY TO INSTALL - Simply affix the exhaust and intake mounting flange together with locking tabs, no tools or screws required The housing, even the impeller and blades, are easy to detach for cleaning and maintenance. WIDE APPLICATIONS - Clean and freshen the air for your plants, keeping your environment cool and balanced, ideal for indoor ventilation and odor filtration Widely used in pharmacies, bakeries, cafes, grow tents, hydroponics, bathrooms, greenhouses, basement workshops, etc.

APPLICATIONS - Our 4 Inch inline fan can be used in indoor grow facilities and vertical farms, heating and cooling transfer, commercial drying and air filtration applications. Built in blowers not only simulate winds, smokes exhaust odors but also intakes fresh airflow.. EFFICIENCY - TerraBloom air duct fan 4 inch features brushless EC Motor and dual jet type blades, this blower delivers 141 CFM airflow rate using just 21 Watts at max speed. It translates into less than 50 annual cost of 247 operation at max speed using 0.29 average cost per KWH. Our fans dont purge or waste electricity at lower speeds.. UNIQUE CONTROLLERS - Our 4 inch duct fan includes a variable speed controller which increases or decreases speeds without background noise or hum at low speeds. You can also upgrade to our wireless remote control Model ECMF-WR and intelligent thermostat speed controller Model SC-ECMF as well.. BUILT DESIGN - TerraBloom Grow Fan features aluminum housing that resists rust, protects the motor blades from accidental damage. This fan has IPX4 ingress protection rating to ensure long lasting. Extremely compact and fits into spaces with minimal clearance.. SIZE FEATURES - Duct size 4 inches Dimensions 6.3 x 7.3 x 5.9 inches Bearings Dual Ball Noise 18 dBA Air Flow 141 CFM HVI Certified Energy Star Listed 2 years Warranty..

QUIET POWERFULMixed flow design combined with a EC motor that powers high-quality impellers makes this fan truly energy efficient than a traditional line fan. With only 25 watts of power but gives a strong airflow up to 205 CFM, very low noise level, only produces 28 DB, this 4 exhaust fan is silent. Lightweight ABS blades reduce the airflow resistance, add airflow by 40.. BUILT TO LASTMade of premium ABS plastic housing for superior durability, IP42 rated, making it highly resistant to dust and liquids, and performs well even in harsh environments. The exhaust fan is ETLFCC listed.. ADJUSTABLE SPEEDThe fan speed controller allows you to set your fan speed freely and it is essential for optimal growth of your plant.. WIDE APPLICATIONSL Designed for air circulation boosting of cooling and heating systems and air-circulation in The 4 Inch Inline duct fan is a great option for grow tents, closet, storage rooms, kitchens, bathrooms, basements and more.. WORRY FREE SHOPPINGSpider 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..