Top 6 Best 4 Inch Inline Fan

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..

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.

Powerful Airflow This VIVOSUN powerful blower with a fan speed of 2500 RPM can create an airflow of 195 CFM It works efficiently in ventilating grow tents, transferring heat or cool rooms, circulating fresh air, as well as controlling proper humidity, temperature, and air quality for your grow area. Quiet Operation Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB, which does not have any harm to your health and will not disturb your work. Safety Protection The motor is ETL listed and features an automatic reset function to prevent overheating or other safety issues The electrical junction box is made from flame-retardant components for fireproofing. Simple Hookup The flanges on both the intake and exhaust ends are simple to assemble with the vent hose by locking tabs A cord of 5.9-feet long for hassle-free setup The housing, even the impeller and blades, are easy to detach for cleaning and maintenance. Wide Applications It can improve airflow to reduce humidity, block odors, and lower temperatures in grow rooms, basements, or kitchens Can be used with a variable speed controller bought separately.

Effective Ventilation Quiet and efficient design with a fan speed of 2600 RPM for an air flow of 230 CFM. Powerful blower to move air to your target location for optimal ventilation. Low noise Equipped with a flow deflector that makes the fan airflow more concentrated and reduces the turbulence energy. Run at only 36.4 dB noise level to ensure the grow operation wont disturb your life. Simple installation Removable intake and exhaust ends with locking tabs for simple and easy hookup. Easy to install, quick to remove and convenient to maintain. The cable length is 5.9 feet and can be easily set. Premium design Lightweight and compact fan takes up minimal space and fits in any grow room. High-quality blades and efficient flow deflector increase airflow while realizing smooth, whisper-quiet operation. Wide applications Suitable for grow tent, greenhouse, basement workshops, bathroom or kitchen. Clean and freshen air. Keep environment humidity and temperature balanced.

Energy-Efficient VentilationThis powerful inline duct fan speed of 4500 RPM can create the air flow of 130 CFM, Maximum power consumption is only 6W. Upgrade DC motor low noise effectively circulating air, quickly move vast amount of air to exhaust odors.. Application ScenariosThe 4 inch booster duct fan designed to quietly ventilate grow rooms, bathrooms, kitchens, workshops, basements, attics and etc, in order to boost airflow in HVAC systems.. Easy to InstallHonGuan air exhaust fan's blade and the body are made of high quality plastic, for quick removal and easy maintenance.. Adjustable Controller The 4-inch duct fan includes a variable speed controller, which can allows you to adjust the airflow and noise at will.. Excellent PerformanceDuct size 4 Dimensions 7.28 x 3.82 x 3.82 in. Voltage 100-240V Air Presssure 165 Pa Noise 26 dBA.

Designed to quietly ventilate grow tents, exhaust odors, transfer heatingcooling to rooms, and cool AV closets.. Features the same build quality and innovations as the CLOUDLINE Series delivered in a value package.. Includes a wired 10-speed fan controller also compatible with all CLOUDLINE Series smart controllers.. Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.. Duct Size 4 Dimensions 6.9 x 11.9 x 7.4 in. Airflow 165 CFM Noise 29 dBA Bearings Dual Ball.

Durable The fan has a strong motor which features a permanently lubricated bearing that operates quietly and requires no maintenance. Compact But Efficient This duct fan is compact and lightweight enough to be installed in areas with little available space With a diameter of 4 inches, speed of 2930 RPM and 100 CFM air flow. Low Noise Superior balanced centrifugal impeller for long service life quiet operation A less than 30 dB noise level does not have any harm and will not disturb your work. Wide Applications You can have it in bathrooms, kitchens, workshops, basements, attics and etc, in order to boost airflow in HVAC systems Also, it can be used in grow rooms as intake fans or exhaust fan. Specifications Voltage 110120V, Power 14W Max Operating Temp of Motor is 130 266 Max Ambient Temp is 60 140 Note Please turn the fan off immediately if the blades get stuck by other objects.

Blower Advantages Powerful blower with a fan speed of 2600 RPM for an air flow of 230 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.. Simple Installation Removable intake and exhaust ends with locking tabs for simple and easy hookup. Easy to install, quick to remove and convenient to maintain. The cable length is 5.9 feet and can be easily set.. Aluminum Ducting Material Flexible ventilation ducting made from high-quality flame-retardant aluminum, built-in corrosion-resistant wire helix with fireproof coating to reinforce performance, temperature endurance ranges from 0 185F. -18 85.. Wide Applications Blower and exhaust fan are easy to install and remove. The combo suitable for grow tent, greenhouse, basement workshops, bathroom or kitchen. Keep environment humidity and temperature balanced..

Innovative design Composite fan blades and center hub which reduces noise and vibration. Fitted with dual flanges for a hassle-free hookup. 4 inch inline duct fan Air flow 190 CFM speed 2460 RPM wattage 74W voltage110V. Optimizing ventilation by targeting airflow to your plants. Less noise Delivering strong airflow with a disproportionate low sound profile by aerodynamic centrifugal impeller. Whether its indoors or outdoors, this powerful fan runs smoothly. Durable and stable Made of a high-quality, cold-rolled steel. The surface is treated with a plastic sealant to provide a strong resistance to corrosion. Quiet operation by quality components. Applicable Suitable for cooling lighting fixture. Ideal for managing hot and humid conditions in grow tents, bathrooms, kitchens, hydroponics, HVAC applications, commercial grow room. Max ambient temperature 176 80.

Efficient and durable High quailty balanced centrifugal impeller and high strength housing for long service life. The motor features a permanently lubricated bearing that operates quietly and requires no maintenance. High speed and low noise Diameter-4 inch, speed-2930 RPM, air flow-100 CFM. A less than 40 dB noise level will not disturb your work and do not have any harm. Easy to install Compact, lightweight and easy to be installed in areas with little available space. Sufficient 5.5' grounded power cord inside is convenient to use. Wide application Boost airflow and exhaust air for HVAC system to remove heats odors or intake fresh air. Used as intake fans or exhaust fan in grow tents, kitchens, bathrooms, basements, attics, garage, workshops and etc.. Specification Voltage 110120V Wattage 12W Power Cord 5.5FT. Max operating temp of motor is 130 266 Max ambient temp is 60 140. Note Please turn the fan off immediately if the blades get stuck by other objects and turn on after clean..

Energy-Efficient Ventilation This powerful blower with a fan speed of 2300 RPM can create an air flow of 190 CFM It combines the features and benefits of axial and centrifugal fan, effectively circulating air. Low Noise Level The durable fan blades revolve smoothly and powerfully, which helps collect airflow volume and cut noise output A less than 30 dB noise level will not disturb your work. Adjustable Speed A stepless speed controller on the power cord enables the fan to run at different speeds With this speed switch, you can adjust it to the desired airflow level. Easy Installation This duct fan is compact and lightweight so it can be installed in small areas Comes with an installation bracket indicating the direction of the airflow Removable duct ends with locking tabs. Versatile Applications Suitable for industrial, household and horticulture ventilation applications It can quietly and efficiently moving large volumes of air throughout your ventilation system.