Top 9 4inch Inline Fan – Household Ventilation Fans

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1. AC Infinity

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

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AC Infinity #ad - Ac brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications. Features a variable fan speed controller, enabling you to optimize airflow and noise level for any application. A duct fan designed to boost airflow in HVAC systems and ventilate home spaces like attics and workshops. Airflow: 106 cfm | noise: 28 dBA | Bearings: Dual Ball. Unibody die-cast construction with no welded seams; reduces vibration while ensuring smoother airflow. Duct size: 4” | dimensions: 7. 28 x 3. 95 x 3. 95 in.
BrandAC Infinity #ad
ManufacturerAC Infinity #ad
Part NumberAC-RXS4
ModelAC-RXS4

2. VIVOSUN

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HVAC Exhaust Intake Fan, Low Noise & Extra Long 5.5' Grounded Power Cord, VIVOSUN 4 inch Inline Duct Fan 100 CFM

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VIVOSUN #ad - Household applications: help to boost airflow in HVAC units to remove exhausts and odors from bathrooms & workshops and ventilate basements & attics, etc. If any other materials/particles get into the duct fan and get the blade stuck, clean it up, users are to turn off the power immediately, turn the power back on when handled properly.

Specs. Diameter 4 inch, voltage 110/120v, air flow 100 CFM, Speed 2930 RPM, Power 12W. Note: max operating temp of motor is 130℃ / 266℉; max ambient temp is 60℃ / 140℉. Grow room applications: used as intake fan to bring fresh air into grow rooms; Also used as exhaust fan in smaller setups with LEDs or Lights under 400W.

Upgraded advantages: superior balanced blades for long service life & quiet operation; Motor features a permanently lubricated bearing that operates quietly and requires no maintenance; Portable and lightweight; Sufficient 5. 5' grounded power cord.
BrandVIVOSUN #ad
ManufacturerVIVOSUN #ad
Part NumberCECOMINOD070342
ModelCECOMINOD070342

3. AC Infinity

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

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AC Infinity #ad - Features an 8-speed manual controller utilizing PWM. Airflow: 205 cfm | noise: 28 dBA | Bearings: Dual Ball. Kit also includes corded AC power adapter, installation manual, and all necessary mounting hardware. See t-series for temperature and humidity controls. Mixed flow design combined with a DC or EC-powered motor for a truly quiet and energy efficient performance. Duct size: 4” | dimensions: 6. 9 x 11. 9 x 7. 4 in. Designed to ventilate grow tents, transfer heating/cooling to rooms, exhaust odors, circulate air, and cool AV racks.
BrandAC Infinity #ad
ManufacturerAC Infinity #ad
Part NumberAI-CLS4
ModelCLOUDLINE S4

4. AC Infinity

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Low Noise Inline HVAC Blower Can Fan for Basements, Workshops, Kitchens, AC Infinity RAXIAL S6, Bathrooms, Inline Booster Duct Fan 6” with Speed Controller

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AC Infinity #ad - Duct size: 6” | dimensions: 7. 28 x 5. 90 x 5. 90 in. Unibody die-cast construction with no welded seams; reduces vibration while ensuring smoother airflow. A duct fan designed to increase 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. Ac brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications. Airflow: 265 cfm | noise: 35 dBA | Bearings: Dual Ball.
BrandAC Infinity #ad
ManufacturerAC Infinity #ad
Part NumberAC-RXS4
ModelAC-RXS6

5. VIVOSUN

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VIVOSUN 4 Inch 190 CFM Inline Duct Fan with 4 Inch Carbon Filter Odor Control with Australia Virgin Charcoal

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VIVOSUN #ad - Superior carbon filter: 1050+ rc 48 australian Virgin Charcoal Bed. Free pre-filter incleded: We recommend replace the pre-filter every 6 months or after completion of each grow cycle.

Dimensions: 4" x 14". Moves air through your target location efficiently for optimal ventilation. Versatile applications: Kitchens, Greenhouses, Bathrooms, Grow Rooms, Grow Tents, etc. Powerful air flow fan: heavy hitting blower with a fan speed of 2300 RPM for an air flow of 190 CFM, Puts out only 31 dB noise level. Effective odor control: the carbon filter eliminates some of the most undesirable odors, pungent smell and particulates from indoor grow tent, hydroponics grow room.
BrandVIVOSUN #ad
ManufacturerVIVOSUN #ad

6. AC Infinity

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

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AC Infinity #ad - Airflow: 205 cfm | noise: 28 dBA | Bearings: Dual Ball. Intelligent controller with temperature and humidity programming, timer, fan speed control, and alarm system. Kit also includes corded sensor probe, two duct clamps, AC power plug, and required mounting hardware. Duct size: 4” | dimensions: 6. 9 x 11. 9 x 7. 4 in. Designed to ventilate hydroponic grow rooms, cool AV closets, transfer heating/cooling, and exhaust odors. Mixed flow design combined with a PWM-controlled DC or EC-motor for a truly quiet and energy efficient performance.
BrandAC Infinity #ad
ManufacturerAC Infinity #ad
Part NumberAI-CLT4
ModelCLOUDLINE T4

7. TerraBloom

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4" Inline Duct Fan with 0-100% Speed Controlled EC Motor, TerraBloom ECMF-100, Humidity and Exhaust Blower For Grow Tents, Heating, Metal Case, Energy Saving. For Ventilation Boosting

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TerraBloom #ad - Our inline blowers can also create negative pressure environments, exhaust odors and smoke as well as intake fresh air from outdoors. This fan has IPX4 ingress protection rating. Our fans don’t “purge” or waste electricity at lower speeds. Etl listed * 2 Year Warranty. This fan also supports PWM and 0-10V controllers via 3.

5mm audio port. This is fan is extremely compact and fits into spaces with minimal clearance. Or choose to upgrade to a wireless remote control Model: ECMF-WR or intelligent thermostat speed controller with temperature programming Model: SC-ECMF. Duct diameter: 4” 98mm * airflow: 160 cfm * power 18w * noise: 28-56 dba * pressure: 334 pa * bearings: Dual Ball * Size: 6. 3 x 7. 3 x 5. 9 in. Built with cutting edge brushless ec motor and dual jet type blades, this blower delivers 160 cfm airflow rate using just 18 Watts at max speed.

Our ec fan gives you a unique flexibility of controls – choose any speed from 0 to 100% using the included variable speed controller without creating background noise or hum at low speeds. Coated aluminum housing resists rust, protects motor and blades from accidental damage and harsh elements to reduce maintenance in demanding applications. Terrabloom ec duct fans are used in indoor grow facilities and vertical farms, simulate wind, heating and cooling transfer, commercial drying and air filtration applications.
BrandTerraBloom #ad
ManufacturerTerraBloom #ad

8. VIVOHOME

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VIVOHOME 4 Inch 203CFM Inline Duct Fan with Air Carbon Filter Odor Control Scrubber and 8 Feet Aluminum Flexible Dryer Vent Hose for HVAC Ventilation Set of 3

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VIVOHOME #ad - Flexible & easy to install - dryer vent hose is constructed of heavy duty aluminum foil laminated for durability; Resistant to corrosion and temperature variations; Used for exhaust fan applications; Provides good airflow and easy connection.

Effective carbon filter - air carbon filter is utilizing Australian raw carbon with stunning odor absorbency; Filters out cigarette smoke, business, and mechanical residue, workshop, or any other foul smells at your house, plant based allergens, fumes, etc. Built to last- carbon filter is made with heavy-duty galvanized steel for maximum strength and age-resistance; Sized to meet all of your ventilation and air purification needs; easy install with ventilation hosing, keeping you free from any unnecessary mess or hassle.

Powerful ventilation fan - ideal solution for multi-purpose use in residential and commercial ventilation, or circulation; Synthetic leather sheath designed to lower operational noise, transfer of hot/cool air, long lasting and resistant to moisture and rust. Package include - 4 inch duct fan with leather sheath and speed controller * 1pc; 4 inch air carbon filter with with Australian raw charcoal * 1pc; 4*8ft dryer vent hose *1pc.
BrandVIVOHOME #ad
ManufacturerVIVOHOME #ad

9. iPower

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Silver, iPower 4 Inch 100 CFM Booster Fan Inline Duct Vent Blower with Variable Speed Controller Adjuster

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iPower #ad - Durable 3-pole grounded plug construction, no extra wires to deal with. Fan specification: diameter: 4inch; air flow: 100 cfm; speed: 2930 RPM; Voltage: 110/120V; Wattage: 12W; Noise level: 40 db.

Application: help boost airflow in hvaC heating, bathrooms, workshops, ventilation and air conditioning units to remove exhausts and odors from grow rooms, basements, kitchens, attics etc. Advantages of fan: superior balanced blades for long service life & quiet operation; Motor features a permanently lubricated bearing that operates quietly and requires no maintenance. Package including: 1 pack 4inch booster fan, 1 pack variable fan speed controller. Variable fan speed controller: it will correctly and precisely adjust the speed of your duct and inline fans.
BrandiPower #ad
ManufactureriPower #ad
Height4.8 Inches
Length7.9 Inches
Width6.3 Inches
Part NumberGLFANXBOOSTER4CTRL
ModelGLFANXBOOSTER4CTRL
Warranty1 year