Top 10 In Line Vent Fans
for January 2022

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.9
SCORE
TerraBloom 8” Quiet Inline Duct Fan, 735 CFM with Built-in Variable Speed Controller, ETL Listed, Pre-Wired - for Heating, Cooling, Ventilation, Airflow Booster, Hydroponics, Grow Tents

TerraBloom 8” Quiet Inline Duct Fan, 735 CFM with Built-in Variable Speed Controller, ETL Listed, Pre-Wired

for Heating, Cooling, Ventilation, Airflow Booster, Hydroponics, Grow Tents

by TerraBloom
What We like

Designed using removable duct ends with locking tabs. Pre-wired (6FT) for easy installation. Includes mounting bracket.

more infoarrow_drop_down

Product Features

  • Effective ventilation for medium to large grow tent set ups, HVAC air boosting, heat, exhaust of heat, odor, humidity.
  • Built-in variable speed controller allows to select any output between 60% and 100%. Motor Uses 205W.
  • Duct Size: 8 in. | Dimensions: 12 x 9 x 9 in. | Airflow: 735 CFM | Noise: 60 dBA | Motor: 205W, AC, Brushless | Max Environment Temperature: 140F.
  • Mixed-flow design and quiet motor generate 735 CFM and sound output of 60 dBa (ducted).

Mixed-flow design and quiet motor generate 735 cfm and sound output of 60 dba (ducted). Effective ventilation for medium to large grow tent set ups, hvac air boosting, heat, exhaust of heat, odor, humidity. Built-in variable speed controller allows to select any output between 60% and 100%. motor uses 205w. Duct size: 8 in. | dimensions: 12 x 9 x 9 in. | airflow: 735 cfm | noise: 60 dba | motor: 205w, ac, brushless | max environment temperature: 140f.

2
9.7
SCORE
Tjernlund M-6 Inline Duct Booster Fan, Hydroponic Blower Heat Air Conditioning Vent Exhaust, 460 CFM, 6

Tjernlund M-6 Inline Duct Booster Fan

Hydroponic Blower Heat Air Conditioning Vent Exhaust, 460 CFM, 6"

by Tjernlund
What We like

Fan is speed controllable, (speed control device not included)

more infoarrow_drop_down

Product Features

  • Great for exhausting high-moisture areas
  • Includes mounting brackets and hardware
  • 6 Inches, 460 CFM
  • Low noise and power usage

Includes mounting brackets and hardware Low noise and power usage Great for exhausting high-moisture areas 6 inches, 460 cfm

3
9.4
SCORE
Hon&Guan 4 Inch Inline Duct Fan Exhaust Fan Mixed Flow Inline Fan Hydroponic Air Blower for Home Ventilation Bathroom Vent and Grow Room Ventilation Powerful & Low Noise Inline Fan 116 CFM (P Series)

Hon&Guan 4 Inch Inline Duct Fan Exhaust Fan Mixed Flow Inline Fan Hydroponic Air Blower for Home Ventilation Bathroom Vent and Grow Room Ventilation Powerful & Low Noise Inline Fan 116 CFM (P Series)

by Hon&Guan
What We like

Lightweight, durable and UV resistant plastic case provides strength for extended use.

more infoarrow_drop_down

Product Features

  • Easy to install and disassemble.Two connections ways for low speed or high speed.
  • Compact size for limited spaces. Notes: no plug.
  • Long life ball bearing motor (up to 50,000 hours) with thermal overload protection.
  • Energy efficient, ultra-quiet operation. Notes: no plug, you can wire on a standard house plug.

Compact size for limited spaces. notes: no plug. Long life ball bearing motor (up to 50,000 hours) with thermal overload protection. Easy to install and disassemble.two connections ways for low speed or high speed. Energy efficient, ultra-quiet operation. notes: no plug, you can wire on a standard house plug.

4
9.3
SCORE
AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller

Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

by AC Infinity
What We like

Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.

more infoarrow_drop_down

Product 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.
  • Duct Size: 4 | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball
  • Kit also includes corded AC power adapter, installation manual, and all necessary mounting hardware.

Features an 8-speed manual controller utilizing pwm. see t-series for temperature and humidity controls. 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 Designed to ventilate grow tents, transfer heating/cooling to rooms, circulate air, exhaust odors, and cool av racks.

5
8.6
SCORE
VIVOSUN 6 Inch 390 CFM Inline Duct Fan with Variable Speed Controller HVAC Blower for Ventilation

VIVOSUN 6 Inch 390 CFM Inline Duct Fan with Variable Speed Controller HVAC Blower for Ventilation

by VIVOSUN
What We like

EFFECTIVE VENTILATION: Powerful blower with a fan speed of 2550 RPM for an air flow of 390 CFM. Moves air through your target location efficiently for optimal ventilation

more infoarrow_drop_down

Product Features

  • LOW NOISE LEVEL: Durable plastic fan housing and blades for extremely low noise(
  • EASY INSTALLATION: Removable duct ends with locking tabs for quick removal and easy maintenance and a cord length of 5.4 feet for hassle free setup.
  • NOTE: Comes with an installation bracket indicating the direction of the airflow. Max Ambient Temp is 104 / 40
  • VERSATILE APPLICATIONS: Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control.

Note: comes with an installation bracket indicating the direction of the airflow. max ambient temp is 104 / 40 Easy installation: removable duct ends with locking tabs for quick removal and easy maintenance and a cord length of 5.4 feet for hassle free setup. Low noise level: durable plastic fan housing and blades for extremely low noise( Versatile applications: suitable for industrial, household and horticulture ventilation applications for air clean and temperature control.

6
8.6
SCORE
TURBRO AirSupply ES4 4 Inch Inline Duct Fan, 195 CFM Energy Efficient Exhaust Fan with Variable Speed Controlled EC Motor for Grow Tents, Hydroponics, Industrial and Residential Ventilation

TURBRO AirSupply ES4 4 Inch Inline Duct Fan

195 CFM Energy Efficient Exhaust Fan with Variable Speed Controlled EC Motor for Grow Tents, Hydroponics, Industrial and Residential Ventilation

by TURBRO
What We like

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.

more infoarrow_drop_down

Product Features

  • 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.
  • 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.
  • Multiple Applications Designed for increased air circulation and moisture/odor removal in grow tents, greenhouses, bathrooms, server rooms, A/V equipment, or industrial workshops.

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. Multiple applications designed for increased air circulation and moisture/odor removal in grow tents, greenhouses, bathrooms, server rooms, a/v 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. 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.

7
8
SCORE
iGrowtek 6 Inch Inline Duct Ventilation Fan,Quiet Vent Blower for Grow Tent,Exhaust Fan for Greenhouse, Hydroponic

iGrowtek 6 Inch Inline Duct Ventilation Fan

Quiet Vent Blower for Grow Tent, Exhaust Fan for Greenhouse, Hydroponic

by iGrowtek
What We like

REASONABLE DESIGN: The light and compact fan takes up the smallest space; it can also be used in a small space. The efficient baffle function can increase airflow while reducing noise output

more infoarrow_drop_down

Product Features

  • LOW NOISE: The deflector makes the fan airflow more concentrated and reduces the turbulence energy, thereby reducing the sound output to only 30 dB
  • VERSATILE APPLICATIONSSuitable for growth room, greenhouse, basement or kitchen, improve air circulation, reduce humidity and lower temperature
  • SIMPLE INSTALLATION: The flanges on the intake and exhaust ends can be connected easily and easily. The cable length is 5.9 feet and can be easily set
  • EFFECTIVE VENTILATION: Fan speed is 2350 RPM, Air flow is 250 CFM. Powerful blower for optimal ventilation

Simple installation: the flanges on the intake and exhaust ends can be connected easily and easily. the cable length is 5.9 feet and can be easily set Effective ventilation: fan speed is 2350 rpm, air flow is 250 cfm. powerful blower for optimal ventilation Versatile applicationssuitable for growth room, greenhouse, basement or kitchen, improve air circulation, reduce humidity and lower temperature Low noise: the deflector makes the fan airflow more concentrated and reduces the turbulence energy, thereby reducing the sound output to only 30 db

8
8
SCORE
TOPHORT 4 Inch Inline Duct Fan 190 CFM Blower Fan with Variable Speed Controller HVAC Blower for Ventilation

TOPHORT 4 Inch Inline Duct Fan 190 CFM Blower Fan with Variable Speed Controller HVAC Blower for Ventilation

by TOPHORT
What We like

BASIC PARAMETERS - Powerful blower fan speed : 2500 RPM; Air Flow: 190CFM . Moves air through your target location efficiently for optimal ventilation

more infoarrow_drop_down

Product Features

  • APPLICATIONS - Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control.
  • LOW NOISE - Durable plastic fan housing and blades for extremely low noise(
  • NO MAINTENANCE - Motor features a permanently lubricated bearing that operates quietly and requires no maintenance.
  • EASY INSTALLATION: Removable duct ends with locking tabs for quick removal and easy maintenance.

No maintenance - motor features a permanently lubricated bearing that operates quietly and requires no maintenance. Applications - suitable for industrial, household and horticulture ventilation applications for air clean and temperature control. Low noise - durable plastic fan housing and blades for extremely low noise( Easy installation: removable duct ends with locking tabs for quick removal and easy maintenance.

9
8
SCORE
VIVOSUN 6 Inch 440 CFM Inline Duct Fan Vent Blower Ventilation Fan for Grow Tent ETL Certified

VIVOSUN 6 Inch 440 CFM Inline Duct Fan Vent Blower Ventilation Fan for Grow Tent ETL Certified

by VIVOSUN
What We like

VERSATILE APPLICATIONS: Ideal for cooling lighting fixtures or controlling hot and humid conditions in grow tents/rooms. NOTICE: Without speed controller.

more infoarrow_drop_down

Product Features

  • HIGH TECH DESIGN: The aerodynamically designed centrifugal impeller of this unit delivers strong air flow with a disproportionately low sound profile.
  • RUNS SMOOTH AND QUIET: Powerful fan puts out only 50 dB noise level.
  • DURABLE BUILD: Galvanized steel parts come factory painted to resist atmospheric corrosion from humidity. Tight, precise construction eliminates rattling and reduces wear and tear to give the element a long life.
  • POWERFUL AIR FLOW: Heavy hitting blower with a fan speed of 2450 RPM for an air flow of 440 CFM. Moves air through your target location efficiently for optimal ventilation.

Runs smooth and quiet: powerful fan puts out only 50 db noise level. Powerful air flow: heavy hitting blower with a fan speed of 2450 rpm for an air flow of 440 cfm. moves air through your target location efficiently for optimal ventilation. Durable build: galvanized steel parts come factory painted to resist atmospheric corrosion from humidity. tight, precise construction eliminates rattling and reduces wear and tear to give the element a long life. High tech design: the aerodynamically designed centrifugal impeller of this unit delivers strong air flow with a disproportionately low sound profile.

10
7.7
SCORE
iPower 4 Inch 195 CFM Inline Fan Circulation Vent Blower and Air Carbon Filter 8 Feet Ducting Combo for Grow Tent Ventilation, Kits, Black

iPower 4 Inch 195 CFM Inline Fan Circulation Vent Blower and Air Carbon Filter 8 Feet Ducting Combo for Grow Tent Ventilation

Kits, Black

by iPower
What We like

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

more infoarrow_drop_down

Product Features

  • 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
  • Ducting: 4 inches (diameter) x 8 feet (length) when fully extended. Temperature endurance range from 0 185F. (-18 85). 1 pairs of 4 inches metal clamps made from stainless steel. Flexible length for exhaust fan blower / inline fan
  • Package includes: 1 x 4 inches 195 CFM inline duct ventilation fan; 1 x 4 inches air carbon filter; 1 x 4 inches 8 feet ducting with 2 clamps
  • Air carbon filter: Air flow: 200 CFM; Dimensions: 4 inches flange ducting x 12 inches length. 1050 + IAV Australian RC412 activated carbon. 50mm carbon layer of thickness for higher absorption and performance

Ducting: 4 inches (diameter) x 8 feet (length) when fully extended. temperature endurance range from 0 185f. (-18 85). 1 pairs of 4 inches metal clamps made from stainless steel. flexible length for exhaust fan blower / inline fan 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 inches 195 cfm inline duct ventilation fan; 1 x 4 inches air carbon filter; 1 x 4 inches 8 feet ducting with 2 clamps Air carbon filter: air flow: 200 cfm; dimensions: 4 inches flange ducting x 12 inches length. 1050 + iav australian rc412 activated carbon. 50mm carbon layer of thickness for higher absorption and performance

expand_less

I Agree
We use cookies to enhance and personalise your experience with us by collecting information about the pages you visit and actions taken on the site. More details