Top 10 Best 4 Duct Fan

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.

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..

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..

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.

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 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.

Widely Used -- The 4 inline duct fan is widely used in homes, offices, warehouses, restaurants, bars, shops, shopping malls, grow tents, greenhouses and other places where a lot of air is needed.. Large Airflow -- It is designed with high quality sleeve motor, quiet and service life more than 3 years, with rotational speed 2400 rmin, 76 CFM large airflow.. Over-heat Protection The motor comes with low operating temperature and low heat generation, the built-in temperature protection device, the contact point is disconnected when the motor overheats, which acts as a power failure protection. double protection is safer.. DIY Your HVAC System You can supply fresh air with one or more fans to DIY air circulation systems depending on the size of your space.. Easy to install only connect it with 4 ventilation pipe, 39 cable with no plug, brown live wire, blue neutral wire, easy to install, please fix the fan to avoid noise due to looseness..

CFM 167.

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.