Top 8 Best 4 Inline 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 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.

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.

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.

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, this inline fan will lead to great effects. 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 to remove exhausts Also, it can be used in grow rooms as intake fans to bring fresh air or exhaust fan in smaller setups with LED or other grow lights under 400W. 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.

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.

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 35 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. 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..

Energy-Efficient Ventilation This VIVOSUN 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 for room ventilation and odor purification. 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 does not have any harm and 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 according to your requirement. Easy Installation This duct fan is compact and lightweight enough to be installed in areas with little available space Comes with an installation bracket indicating the direction of the airflow Removable duct ends with locking tabs for quick removal and easy maintenance 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 Help you maintain a healthy grow room by quietly and efficiently moving large volumes of air throughout your ventilation system.

9 sizes with airflow capacities between 150 and 650 CFM. Vibration welded seam ensures leak proof housing. 100 speed-controllable. Air stream temperatures up to 140 F. They are also widely used as booster fans to move air from one room or area to another..

Moves air at a rate of 100 CFM, perfect for your bathroom and utility rooms. Notes no plug, you can wire on a standard house plug.. Lightweight and durable. Long life ball bearing motor up to 50,000 hours.. Sound at high speed operation is quiet.. 2 connections ways for low speed or high speed.. Easy to install, disassemble and clean when needed..