Best 4 Inch Inline Fan. Our author do the research by analyzing testimonials, user or customer reviews and ratings from online shoppers, to help you as shopper to purchase wiser to avoid buyer’s remorse. Please review the product and choose wisely,

Our recommended list of the Best 4 Inch Inline Fan :


VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan Vent Blower for Grow Tent

$31.99  in stock
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • 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)

AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

$99.00  in stock
3 new from $99.00
Free shipping
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • Designed to ventilate grow tents, transfer heating/cooling 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

AC Infinity CLOUDLINE LITE A4, Quiet 4” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

$79.99  in stock
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • Designed to quietly ventilate grow tents, exhaust odors, transfer heating/cooling 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

AC Infinity RAXIAL S4, Inline Booster Duct Fan 4” with Speed Controller - Low Noise Inline HVAC Blower Can Fan for Basements, Bathrooms, Kitchens, Workshops

$29.99  in stock
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • 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

VIVOSUN 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Carbon Filter with a Pair of Rope Hanger, 8 Feet of Ducting Kit for Grow Tent Ventilation

$119.99  in stock
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • 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
  • Superior Carbon Filter: 1050+ RC 48 Australian Virgin Charcoal Bed; Dimensions: 4" x 14"
  • Effective Smelliness Control: The carbon filter eliminates some of the most undesirable smelliness, pungent smell and particulates from indoor grow tent, hydroponics grow room
  • Sturdy Ducting+ 2 Stainless Clamps: Strong, flexible steel wire supports heavy duty triple layer duct walls; PET core is sandwiched in layers of fire-retardant aluminum that can handle temperatures from -22 to 266 Fahrenheit
  • Advanced Made Easy: Don’t waste time buying and returning parts that may or may not be compatible or safe to use together; Three-part system includes every part you need to get set up

iPower 4 Inch 100 CFM Booster Fan Inline Vent Blower with Intake 5.5' Grounded Power Cord, 8 Feet Non-Insulated Flex Air Aluminum Ducting with 2 Clamps, 4', Low Noise for Grow Tent HVAC Exhaust

$23.99  in stock
2 new from $23.99
Free shipping
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • Fan specification: Diameter: 4inch; Air flow: 100 CFM; Speed: 2930 RPM; Voltage: 110/120V; Wattage: 12W; Noise level: 40 db. Max operating temp of motor is 130℃ / 266℉; Max ambient temp is 60℃ / 140℉
  • Advantages: Superior balanced blades for long service life & quiet operation. Motor features a permanently lubricated bearing that operates quietly and requires no maintenance
  • Premium ventilation: Quickly and efficiently move a vast amount of air; Temperature control-cooling rooms that tend to accumulate too much heat
  • Ducting: 4 inches (diameter) x 8 feet (length) when fully extended. Thermal endurance: temperature range from 0 ~ 185°F (-18℃ ~ 85℃). Made from high-quality flame-retardant aluminum. 1 pair of 4 inch metal clamps made from stainless steel included
  • 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.

AC Infinity Air Carbon Filter 4" with Premium Australian Virgin Charcoal, for Inline Duct Fan, Odor Control, Hydroponics, Grow Rooms

$49.99  in stock
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • Designed to eliminate odors and chemicals for grow tents and hydroponics room.
  • Features premium-grade Australian charcoal with higher absorption and longer life rating.
  • Contains heavy-duty aluminum flanges, galvanized steel meshing, and clothed pre-filter.
  • Enables maximum airflow passthrough for both intake and exhaust configurations.
  • Duct Opening: 4” | Length: 13" | Airflow Rating: 210 CFM | Carbon: Australian RC412 at 1200+ IAV | Thickness: 38mm

AC Infinity CLOUDLINE T4, Quiet 4” Inline Duct Fan with Temperature Humidity Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

$119.00  in stock
3 new from $119.00
Free shipping
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • Designed to ventilate hydroponic grow rooms, transfer heating/cooling, 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

VIVOSUN 4 Inch 190 CFM Inline Duct Ventilation Fan with Variable Speed Controller for Grow Tent

$65.99  in stock
3 used from $53.57
Free shipping
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • 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

Spider Farmer 4 Inch Inline Duct Fan with Speed Controller, 205 CFM EC Motor Quiet Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

$95.99  in stock
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • 【QUIET & POWERFUL】Mixed 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 LAST:】Made 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 ETL/FCC listed.
  • 【ADJUSTABLE SPEED】The 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 SHOPPING】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.

VIVOSUN 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Carbon Filter and 8 Feet of Ducting, Temperature Humidity Monitor for Grow Tent Ventilation

$154.99
$127.99
 in stock
1 used from $91.99
Free shipping
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • 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
  • Superior Carbon Filter: 1050+ RC 48 Australian Virgin Charcoal Bed; Dimensions: 4" x 14"
  • Effective Smelliness Control: The carbon filter eliminates some of the most undesirable smelliness, pungent smell and particulates from indoor grow tent, hydroponics grow room
  • Sturdy Ducting+ 2 Stainless Clamps: Strong, flexible steel wire supports heavy duty triple layer duct walls; PET core is sandwiched in layers of fire-retardant aluminum that can handle temperatures from -22 to 266 Fahrenheit
  • Ultra Reliable & Accurate Thermometer & Hygrometer: are able to quickly report measurements every 10 seconds and has a wide measurement range of 14℉ to 122℉(-10℃~50℃), with a temperature accuracy range of around ±0.1℉ (±0.1℃); Humidity sensor measures humidity from 10% to 99%, humidity accuracy range around ±5%

iPower 4 Inch 195 CFM Duct Inline Ventilation Fan Air Circulation Vent Blower for Grow Tent, Greenhouses, Basements or Kitchens, Lite

$29.99
$27.89
 in stock
2 used from $24.03
Free shipping
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • Multifunction: Perfect for grow tents, greenhouses, hydroponics, kitchens, bathrooms, basements, locker rooms, garage to reduce humidity, clear the air and lower temperatures in grow rooms.
  • Mini Construction: Lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won’t fit.
  • High Effective: Transfer air to your target location in a quick and reasonably quiet way, with a fan speed of 2500 RPM for an air flow of 195 CFM.
  • Low Noise Design: Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB.
  • Easy to Install: Removable duct ends with locking tabs for easy removal and maintenance, 5.9 feet length power cord.

SAILFLO 4 Inch Duct Inline Fan 76 CFM 110V 12W for Bathroom Vent Room Basement Greenhouse Attic Kitchen (4"/100mm)

$19.99  in stock
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • Widely Used -- The 4 inch inline 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 r/min, 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.

iPower 4 Inch 195 CFM Inline Fan Circulation Vent Blower, Air Carbon Filter, 8 Feet Ducting and 1-Pair Rope Combo for Grow Tent Ventilation, Lite, Low Noise

$66.99  in stock
10 new from $66.99
2 used from $63.64
Free shipping
Amazon.com
as of March 31, 2022 7:24 pm

Features

  • Mini construction fan: Size: 4 inches; voltage: 120V; current: 0.45A; frequency: 60Hz; power: 28W; air velocity: 195 CFM; speed: 2500 RPM. Low noise design reduce sound output to just 30db
  • Ducting: 4 inch (diameter) x 8 feet (length) when fully extended. Temperature endurance range from 0 185°F (-18℃ 85℃). 1 pairs of 4 inch metal clamps made from stainless steel. Flexible length for exhaust fan blower / inline fan
  • Air carbon filter: Air flow: 200 CFM; dimension: 4 inch flange ducting x 12 inch length. 1050 + IAV Australian RC412 activated carbon. 50mm carbon layer of thickness for higher absorption and performance. Pre-filter included
  • Multi-functional: This ventilation combo removes heat and eliminate the undesirable ill-smelling odors in the grow tent to solves air delivery problems without major system rework or expense
  • Package includes: 1 x 4 inch 195 CFM inline duct ventilation fan; 1 x 4 inch air carbon filter with pre-filter; 1 x 4 inch 8 feet ducting with 2 clamps; 1x pair rope

New products:


Last updated on March 31, 2022 7:24 pm

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