Top 9 Quiet Inline Fan 4 Inch – Hydroponic Ventilation Equipment

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1. AC Infinity

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

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AC Infinity #ad - 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. Designed to ventilate grow tents, exhaust odors, circulate air, transfer heating/cooling to rooms, and cool AV racks. Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance. See t-series for temperature and humidity controls. Features an 8-speed manual controller utilizing PWM. Airflow: 205 cfm | noise: 28 dBA | Bearings: Dual Ball.
BrandAC Infinity #ad
ManufacturerAC Infinity #ad
Part NumberAI-CLS4
ModelCLOUDLINE S4

2. AC Infinity

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

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AC Infinity #ad - Kit also includes corded sensor probe, AC power plug, two duct clamps, and required mounting hardware. Airflow: 205 cfm | noise: 28 dBA | Bearings: Dual Ball. Designed to ventilate hydroponic grow rooms, cool AV closets, transfer heating/cooling, 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 DC or EC-motor for a truly quiet and energy efficient performance. Duct size: 4” | dimensions: 6. 9 x 11. 9 x 7. 4 in.
BrandAC Infinity #ad
ManufacturerAC Infinity #ad
Part NumberAI-CLT4
ModelAI-CLT4

3. TURBRO

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195 CFM Quiet Vent Fan with Variable Speed Controlled for Grow Tent and Ventilation, 4 Inch Inline Duct Fan with Solid Metal Case, TURBRO AirSupply ES4

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TURBRO #ad - Our brushless dc motor ec motor performs 30% more efficiently with 60% less power consumption than AC motors. 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. Outstanding ventilationthe airsupply es4 delivers an airflow of 195 cfm at 5000 RPM with only 18 watts of power. Multiple applications designed for increased air circulation and moisture/odor removal in grow tents, A/V equipment, greenhouses, bathrooms, server rooms, or industrial workshops.

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. The permanently-lubricated bearing reduces wear and tear to cut down on maintenance.
BrandTURBRO #ad
ManufacturerTURBRO #ad
Height5.91 Inches
Length6.26 Inches
Weight2.7 Pounds
Width7.24 Inches
Part NumberES4
ModelES4
WarrantyWe provide a 2-year warranty from the purchase date.

4. iGrowtek

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Exhaust Fan, iGrowtek 4 Inch Inline Duct Ventilation Fan,Quiet Vent Blower for Grow Tent

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iGrowtek #ad - Powerful blower for optimal ventilation. Effective ventilation: fan speed is 2600 RPM, Air flow is 75 CFM. The cable length is 5. 9 feet and can be easily set.

The efficient baffle function can increase airflow while reducing noise output. Low noise: the deflector makes the fan airflow more concentrated and reduces the turbulence energy, thereby reducing the sound output to only 30 dB. Simple installation: the flanges on the intake and exhaust ends can be connected easily and easily. Versatile applications:suitable for growth room, basement or kitchen, improve air circulation, reduce humidity and lower temperature. Reasonable design: the light and compact fan takes up the smallest space; it can also be used in a small space.
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ManufactureriGrowtek #ad

5. iPower

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4" Fan & Speed, iPower 4 Inch 118 CFM Inline Duct Fan with Variable Speed Controller HVAC Quiet Exhaust Blower, for Grow Tent Ventilation, Black

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iPower #ad - Note: to avoid the risk of burning out the fan motor, MED, OFF, HIGH, controller does not adjust below 50%. You can put it in any angle and any end. Versatile applications: suitable for industrial, such as bathroom, office, washroom, household and horticulture ventilation applications for air clean and temperature control, store, garden and etc.

Easy installation: removable duct ends with locking screws for quick removal and easy maintenance. Inline fan specifications: diameter: 4 inch; air flow: 118 cfm; wattage: 28w; noise level: 30dB. Low noise fan: durable plastic fan housing and blades, large air volume, ventilation fan with the features of low noise30dB, high static pressure; Variable speed controller for easy fan speed adjustment.

Speed controller details: one control switch for 3 settings: variable speed, LOW. 110v standard household plug; Pre-wired 5. 9 feet power cord. A cord length of 6 feet for hassle free setup. Max ambient temp is 104℉/ 40℃.
BrandiPower #ad
ManufactureriPower #ad
Height11.61 Inches
Length13.78 Inches
Width8.07 Inches
Part NumberGLFANXINLINEEXPC4V1
Model4 Inch 118 CFM Inline Duct Fan

6. Spider Farmer

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

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Spider Farmer #ad - Built to lastmade of premium abs plastic housing for superior durability, making it highly resistant to dust and liquids, IP42 rated, and performs well even in harsh environments. Wide applicationsl designed for air circulation boosting of cooling and heating systems and air-circulation in The 4 Inch Inline duct fan is a great option for grow tents, bathrooms, kitchens, closet, storage rooms, basements and more.

Lightweight abs blades reduce the airflow resistance, add airflow by 40%. The exhaust fan is ETL/FCC listed. 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 25 watts of power but gives a strong airflow up to 205 CFM, only produces 28 DB, very low noise level, this 4” exhaust fan is silent.

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. Adjustable speedthe fan speed controller allows you to set your fan speed freely and it is essential for optimal growth of your plant.
BrandSpider Farmer #ad

7. VIVOSUN

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

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VIVOSUN #ad - Note: comes with an installation bracket indicating the direction of the airflow. Effective ventilation: powerful blower with a fan speed of 2300 RPM for an air flow of 190 CFM.

Versatile applications: Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control. Max ambient temp is 104℉ / 40℃. Moves air through your target location efficiently for optimal ventilation. Easy installation: removable duct ends with locking tabs for quick removal and easy maintenance and a cord length of 5. 9 feet for hassle free setup. Low noise level: durable plastic fan housing and blades for extremely low noise
BrandVIVOSUN #ad
ManufacturerVIVOSUN #ad

8. iPower

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IPower 4 Inch 195 CFM Inline Duct Ventilation Fan Air Circulation Vent Blower with Variable Speed Controller for Grow Tent, 4" Fan & Speed, Black

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iPower #ad - Flanges on both the intake and exhaust ends for simple and easy hookup, 5. Power source Type: Corded-Electric. Multifunction: perfect for improve air flow, basements, reduce humidity, locker rooms, kitchens, clear the air and lower temperatures.

9 feet length power cord. Can use in grow tents, greenhouses, grow rooms, bathrooms, garage. Package include: 1 pack 4 inch inline fan, 1 pack fan speed controller. Low noise design reduces sound output to just 30 dB. Durable 3-pole grounded plug construction. Variable speed controller: one control switch for 3 settings: HIGH, MED, LOW.

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: lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won’t fit. Built-in grounded control outlet.
BrandiPower #ad
ManufactureriPower #ad
Height7 Inches
Length8.1 Inches
Width7.7 Inches
Part NumberGLFANXINLLITE4CTR
Model4 Inch 195 CFM Inline Duct
Warranty1 year

9. iPower

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Silver, iPower 4 Inch 190 CFM Duct Inline Fan with 4" Filter 8 Feet Ducting Combo for Grow Tent Ventilation

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iPower #ad - 4 inch 8 feet uninsulated aluminum ducting + 2 stainless clamps: Flame-retardant coating and corrosion-resistant wire helix; Temperature endurance range from 0 ~ 185°F.

18℃ ~ 85℃. Free pre-filter included: we recommend replace the Pre-Filter every 6 months to protect your filter. 4 inch 1050+ iav australia charcoal filter: one of the world's most absorbent carbon available; Dimensions: 4" Flange Ducting x 12" Length; Reversible flange. 4 inch 190 cfm duct inline fan blower: Composite fan blades and center hub which reduces noise and vibration. 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.
BrandiPower #ad
ManufactureriPower Grow Light #ad
Height19.3 Inches
Length14.6 Inches
Weight16.1 Pounds
Width14.6 Inches
Part NumberGLFANXINL4FILT4MD8C
Model4 Inch 190 CFM Duct Inline
Warranty1 year