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Clean and freshen air. Run at only 36. 4 db noise level to ensure the grow operation won’t disturb your life. Effective ventilation: quiet and efficient design with a fan speed of 2600 RPM for an air flow of 230 CFM.
The cable length is 5. 9 feet and can be easily set. Easy to install, quick to remove and convenient to maintain. Premium design: lightweight and compact fan takes up minimal space and fits in any grow room. Low noise: equipped with a flow deflector that makes the fan airflow more concentrated and reduces the turbulence energy.

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.
Wide applications: it can improve airflow to reduce humidity, block odors, basements, and lower temperatures in grow rooms, or kitchens. 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.


The surface is treated with a plastic sealant for high corrosion resistance. Ideal for industrial, home and garden ventilation applications for air cleaning and temperature control.
Includes speed controller suitable for industrial, HVAC applications, bathrooms, home and horticultural ventilation applications; it moves large volumes of air quietly and efficiently throughout the ventilation system. Low noise: durable fan blades rotate smoothly and powerfully, helping to collect airflow and reduce noise output; composite fan blades and center hub, reducing noise and vibration without affecting daily.


Quiet operation: run at 30 db noise level to ensure the grow operation won’t disturb your life. Mini construction: lightweight and compact fan takes up minimal space, suitable for applications where larger fans just won’t fit.
Simply affix the exhaust and intake mounting flange together with locking tabs, no tools or screws required; The housing, impeller and blades are easy to detach for maintenance and cleaning. Move and circulate air wherever you need and expel bad smells, cleans and freshen the air you and your plants breath.

Take it easy: vevor's inline air duct fan adopts a smart controller. Power in silence: are you tired of loud, obnoxious ducts? well, which will not disturb your work and life. Blow your worries away: our inline fan provides a sufficient airflow of 205 cfm, enough to handle wide areas of ventilation and dehumidification, maintaining clean and fresh air circulation in dry environments all the time.
At the same time, get ready to work in silence! our inline exhaust fan is equipped with a high-quality EC motor that ensures strong power at a low noise of 28 dB, the motor saves 30% on energy consumption, extending its service life. Everything you need: to save time and costs, allowing you to effortlessly complete installation. Choose between hanging it or mounting it on the wall. Pressing the up and down buttons simultaneously will turn the AUTO MODE off. The auto alarm function is also included.

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.
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. 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.

9 feet length power cord. Low noise design reduces sound output to just 30 dB. High effective fan: 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.
Mini construction fan: lightweight, suitable for applications where larger fans just won’t fit. Built-in grounded control outlet. Multifunction: perfect for improve air flow, grow rooms, kitchens, clear the air and lower temperatures. Durable 3-pole grounded plug construction. Package include: 1 pack 4 inch inline fan, 1 pack fan speed controller.

Note: please turn the fan off immediately if the blades get stuck by other objects and turn on after clean. The motor features a permanently lubricated bearing that operates quietly and requires no maintenance.
Specification: voltage: 110-120v; wattage: 15w; power cord: 4. 9ft. Note: not enclosed motor, not used in high humidity environments. Wide application: used as intake fan to bring fresh air into grow rooms, help to boost airflow in HVAC units to remove exhausts and odors from workshops and ventilate basements & attics, etc.
1. iPower
#ad
Greenhouse Air Circulation, iPower 4 Inch 230 CFM Inline Duct Ventilation Fan Quiet Vent Blower for Hydroponics Grow Tent, Black, Upgrade
#adiPower #ad - Simple installation: removable intake and exhaust ends with locking tabs for simple and easy hookup. Keep environment humidity and temperature balanced. High-quality blades and efficient flow deflector increase airflow while realizing smooth, whisper-quiet operation.Clean and freshen air. Run at only 36. 4 db noise level to ensure the grow operation won’t disturb your life. Effective ventilation: quiet and efficient design with a fan speed of 2600 RPM for an air flow of 230 CFM.
More information #ad
Powerful blower to move air to your target location for optimal ventilation. Wide applications: suitable for grow tent, greenhouse, basement workshops, bathroom or kitchen. The cable length is 5. 9 feet and can be easily set. Easy to install, quick to remove and convenient to maintain. Premium design: lightweight and compact fan takes up minimal space and fits in any grow room. Low noise: equipped with a flow deflector that makes the fan airflow more concentrated and reduces the turbulence energy.
Brand | iPower #ad |
Manufacturer | iPower #ad |
Height | 8.46 Inches |
Length | 8.46 Inches |
Weight | 1 Pounds |
Width | 7.48 Inches |
Part Number | GLFANXINLINELITEEVO4 |
Model | 4 Inch 230 CFM Inline Duct |
More information #ad
2. VIVOSUN
#ad
VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent
#adVIVOSUN #ad - 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.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.
More information #ad
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, temperature, transferring heat or cool rooms, circulating fresh air, as well as controlling proper humidity, and air quality for your grow area. Wide applications: it can improve airflow to reduce humidity, block odors, basements, and lower temperatures in grow rooms, or kitchens. 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.
Brand | VIVOSUN #ad |
Manufacturer | VIVOSUN #ad |
Height | 6.7 Inches |
Length | 7 Inches |
Weight | 2.5 Pounds |
Width | 7.3 Inches |
Part Number | GDFPA-100 |
Model | GDFPA-100 |
Warranty | Manufacturer Warranty for 360 days from date of purchase. |
More information #ad
3. AC Infinity
#ad
Hydroponics, AC Infinity CLOUDLINE PRO S4, Grow Tents, Quiet 4” Inline Duct Fan with Speed Controller – EC Motor Ventilation Exhaust Fan for Heating Cooling Booster
#adAC Infinity #ad - Duct size: 4” | dimensions: 6. 9 x 11. 9 x 7. 4 in. Mixed flow design with stator blade and hydrodynamic wind circles enables airflow delivery in high resistance areas. Designed to ventilate grow tents, exhaust odors, transfer heating/cooling to rooms, circulate air, and cool AV racks.More information #ad
Features a wired 10-speed fan controller; also compatible with all UIS controllers with intelligent programming. Pwm-controlled ec motor provides quiet and energy-efficient performance with minimal heat and noise. Airflow: 205 cfm | noise: 28 dBA | Bearings: Dual Ball.Brand | AC Infinity #ad |
Manufacturer | AC Infinity #ad |
Height | 11.81 Inches |
Length | 3.54 Inches |
Width | 7.48 Inches |
Part Number | AI-CLS4 |
Model | CLOUDLINE S4 |
More information #ad
4. RichYa
#ad
Grow Tents, Hydroponics, RichYa 4” Inline Duct Fan with Variable Temperature Humidity Controller, Ventilation Exhaust Fan for Heating Cooling Booster
#adRichYa #ad - Upgraded high-speed air pressure design: Powerful blower speed of 2900 RPM produces strong airflow; it combines the features and benefits of axial and centrifugal fans to efficiently circulate air. Durable fan: made of high quality cold rolled steel. Versatile applications: suitable for cooling lighting equipment and managing hot and humid conditions in grow tents, commercial grow rooms, kitchens, hydroponics, etc.The surface is treated with a plastic sealant for high corrosion resistance. Ideal for industrial, home and garden ventilation applications for air cleaning and temperature control.
More information #ad
The tight and precise construction reduces wear and tear, thus extending the life of the components. High efficiency & energy efficient fans: remove heat from the system to solve air delivery problems without the additional hassle or expense of major system rework. Adjustable speed: a stepless speed controller on the power cord allows the fan to run at different speeds as needed; with this speed switch, you can adjust it to the desired airflow level. Includes speed controller suitable for industrial, HVAC applications, bathrooms, home and horticultural ventilation applications; it moves large volumes of air quietly and efficiently throughout the ventilation system. Low noise: durable fan blades rotate smoothly and powerfully, helping to collect airflow and reduce noise output; composite fan blades and center hub, reducing noise and vibration without affecting daily.
Brand | RichYa #ad |
Manufacturer | RichYa #ad |
Height | 7.6 Inches |
Length | 12.29 Inches |
Width | 8.39 Inches |
More information #ad
5. AC Infinity
#ad
Ventilation Exhaust Fan for Heating Cooling Booster, Hydroponics, AC Infinity CLOUDLINE A4, Grow Tents, Quiet 4” Inline Duct Fan with Speed Controller, EC Motor
#adAC Infinity #ad - Airflow: 165 cfm | noise: 29 dBA | Bearings: Dual Ball. Includes a wired 10-speed fan controller; also compatible with all CLOUDLINE Series smart controllers. Duct size: 4” | dimensions: 6. 9 x 11. 9 x 7. 4 in. Designed to quietly ventilate grow tents, exhaust odors, transfer heating/cooling to rooms, and cool AV closets.More information #ad
Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance. Features the same build quality and innovations as the CLOUDLINE Series delivered in a value package.Brand | AC Infinity #ad |
Manufacturer | AC Infinity #ad |
Height | 11.9 Inches |
Length | 7.4 Inches |
Width | 6.9 Inches |
Part Number | AI-CLA4 |
Model | CLOUDLINE LITE A4 |
More information #ad
6. iPower
#ad
Low Noise, Black, 4'' Fan Quiet, HVAC, Attic, iPower 4 Inch 195 CFM Inline Duct Exhaust Air Vent Booster Ventiliation Blower for Grow Tent, Basements or Kitchens
#adiPower #ad - Powerful and effective: this powerful blower with a fan speed of 2500 RPM can create an air flow of 195 CFM. Fitted with a flow deflector that concentrates the fan stream to reduce sound output. Easy to install: 5. 9 feet length power cord.Quiet operation: run at 30 db noise level to ensure the grow operation won’t disturb your life. Mini construction: lightweight and compact fan takes up minimal space, suitable for applications where larger fans just won’t fit.
More information #ad
Fan blades made with high quality components for smooth operation. Wide applications: clean and freshen the air, grow rooms, cafes, hydroponics, kitchens, block odors, basements, greenhouses, pharmacies, bathrooms, bakeries, and lower temperatures for grow tents, basement workshops, improve airflow to reduce humidity, etc. Simply affix the exhaust and intake mounting flange together with locking tabs, no tools or screws required; The housing, impeller and blades are easy to detach for maintenance and cleaning. Move and circulate air wherever you need and expel bad smells, cleans and freshen the air you and your plants breath.
Brand | iPower #ad |
Manufacturer | iPower #ad |
Height | 7.48 Inches |
Length | 7.88 Inches |
Width | 7.68 Inches |
Part Number | GLFANXINLINELITE4-B |
Model | 4 Inch 195 CFM Inline Duct Exhaust Fan |
More information #ad
7. VEVOR
#ad
Quiet EC-motor Ventilation Exhaust Fan for Cooling Booster, VEVOR Inline Duct Fan, 4-Inch 205 CFM with Temperature Humidity Controller, Hydroponics, Grow Tents
#adVEVOR #ad - Our inline duct fan is specially designed as an exhaust for heat, basements, hydroponic planting rooms, and smoke, humidity, electronic equipment rooms, improving airflow in air planting tents, kitchens, etc. Take control of any environment confidentially. Note: the controller does not adjust the speed automatically.Take it easy: vevor's inline air duct fan adopts a smart controller. Power in silence: are you tired of loud, obnoxious ducts? well, which will not disturb your work and life. Blow your worries away: our inline fan provides a sufficient airflow of 205 cfm, enough to handle wide areas of ventilation and dehumidification, maintaining clean and fresh air circulation in dry environments all the time.
More information #ad
The speed can only be adjusted artificially. Universal applications: take a deep breath and relax. At the same time, get ready to work in silence! our inline exhaust fan is equipped with a high-quality EC motor that ensures strong power at a low noise of 28 dB, the motor saves 30% on energy consumption, extending its service life. Everything you need: to save time and costs, allowing you to effortlessly complete installation. Choose between hanging it or mounting it on the wall. Pressing the up and down buttons simultaneously will turn the AUTO MODE off. The auto alarm function is also included.
Brand | VEVOR #ad |
Manufacturer | VEVOR #ad |
Height | 9 Inches |
Length | 12 Inches |
Weight | 6 Pounds |
Width | 10 Inches |
Part Number | EC Inline Duct Fan, 4-Inch |
Model | 4-Inch Inline Duct Fan |
More information #ad
8. VIVOSUN
#ad
VIVOSUN T4 4 Inch 190 CFM Inline Duct Ventilation Fan with Variable Speed Controller for Grow Tent
#adVIVOSUN #ad - 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. Versatile applications: suitable for industrial, household and horticulture ventilation applications; It can quietly and efficiently moving large volumes of air throughout your ventilation system.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.
More information #ad
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. 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.
Brand | VIVOSUN #ad |
Manufacturer | VIVOSUN #ad |
Height | 11.4 Inches |
Length | 8 Inches |
Width | 8 Inches |
Part Number | 1 |
Model | 1 |
Warranty | Manufacturer Warranty for 90 days from date of purchase. |
More information #ad
9. iPower
#ad
Black, iPower 4 Inch 195 CFM Inline Duct Ventilation Fan Air Circulation Vent Blower with Variable Speed Controller for Hydroponics Grow Tent, 4'
#adiPower #ad - Flanges on both the intake and exhaust ends for simple and easy hookup, compact fan takes up minimal space, 5. Variable speed controller: one control switch for 3 settings: HIGH, MED, LOW. Easy to install: removable duct ends with locking tabs for easy removal and maintenance.9 feet length power cord. Low noise design reduces sound output to just 30 dB. High effective fan: 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.
More information #ad
Can use in grow tents, greenhouses, bathrooms, basements, reduce humidity, locker rooms, garage. Mini construction fan: lightweight, suitable for applications where larger fans just won’t fit. Built-in grounded control outlet. Multifunction: perfect for improve air flow, grow rooms, kitchens, clear the air and lower temperatures. Durable 3-pole grounded plug construction. Package include: 1 pack 4 inch inline fan, 1 pack fan speed controller.
Brand | iPower #ad |
Manufacturer | iPower #ad |
Height | 7 Inches |
Length | 8.1 Inches |
Width | 7.7 Inches |
Part Number | GLFANXINLLITE4CTR-A |
Model | 4 Inch 195 CFM Inline Duct |
More information #ad
10. iPower
#ad
Bathrooms and Kitchens, Basements, iPower 4 Inch 90 CFM Inline Fan Duct Exhaust Booster with Speed Controller for HVAC in Grow Tent
#adiPower #ad - With insulating coating, lightweight and easy to install. Portable, speed of 3200 RPM and 90 CFM air flow. Variable speed controller: enable you to adjust the speed and airflow of the fan. Efficient and high safety: feature a diameter of 4 inches, high safety factor.Note: please turn the fan off immediately if the blades get stuck by other objects and turn on after clean. The motor features a permanently lubricated bearing that operates quietly and requires no maintenance.
More information #ad
Max operating temp of motor is 130℃ / 266℉; Max ambient temp is 60℃ / 140℉. Durable: superior balanced centrifugal impeller for long service life. Specification: voltage: 110-120v; wattage: 15w; power cord: 4. 9ft. Note: not enclosed motor, not used in high humidity environments. Wide application: used as intake fan to bring fresh air into grow rooms, help to boost airflow in HVAC units to remove exhausts and odors from workshops and ventilate basements & attics, etc.
Brand | iPower #ad |
Manufacturer | iPower #ad |
Height | 6.89 Inches |
Length | 4.92 Inches |
Width | 5.91 Inches |
Part Number | GLFANXBOST4V2ITGTCTRL |
Model | 4 Inch 90 CFM Inline Fan Duct Exhaust |
More information #ad