Top 10 Duct Fan 4 Inch – Household Ventilation Fans

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1. Hon&Guan

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Low Noise Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics, Hon&Guan 4 Inch Inline Duct Fan 330CFM with Variable Speed Controller

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Hon&Guan #ad - Easy to installhon&guan inline duct fan's blade and the body are made of environmental protection material, light weight. Powerful and silentmixed flow design combined with a EC motor for a truly quiet and energy efficient performance.

With variable speed controller, can precisely optimize the fan's speed and low energy. Removable duct ends with locking tabs for quick removal and easy maintenance. Notes: no plug, you can wire on a standard house plug. Long lifelong life nmb ball bearing motor up to 50, 000hours with thermal overload protection. Fan blade is designed according to hydromechanical principle to reach the optimal air flow and air pressure, high efficiency working.

High quality materialuv and corrosion resistant, durable plastic housing Ideal for long duct runs, suitable for air temperatures from -4℉ to 140℉. The junction box is bulit in sealing ring, protcetion class is IP44. Application scenariosdesigned to quietly ventilate grow tents, cool AV closets, transfer heating/cooling to rooms, circulate fresh air, exhaust odors.
BrandHon&Guan #ad
ManufacturerHon&Guan #ad
Weight3.31 Pounds
Part NumberHF-PE

2. iPower

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

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iPower #ad - Easy to install: removable duct ends with locking tabs for easy removal and maintenance, 5. 9 feet length power cord. 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.

Mini construction: lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won’t fit. Multifunction: perfect for grow tents, locker rooms, garage to reduce humidity, basements, kitchens, bathrooms, hydroponics, greenhouses, clear the air and lower temperatures in grow rooms. 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.
BrandiPower #ad
ManufactureriPower #ad
Height7 Inches
Length8.1 Inches
Width7.7 Inches
Part NumberGLFANXINLINELITE4V1
Model4 Inch 195 CFM Duct Inline Ventilation

3. SAILFLO

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

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SAILFLO #ad - 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 contact point is disconnected when the motor overheats, the built-in temperature protection device, which acts as a power failure protection.

Widely used -- the 4 inch inline fan is widely used in homes, shopping malls, shops, grow tents, warehouses, bars, restaurants, offices, greenhouses and other places where a lot of air is needed.

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. Double protection is safer. Easy to install >> only connect it with 4" ventilation pipe, blue neutral wire, easy to install, brown live wire, 39" cable, please fix the fan to avoid noise due to looseness.
BrandSAILFLO #ad
ManufacturerSAILFLO #ad
Weight0.88 Pounds
Part NumberB07J5VN82X

4. iPower

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Silver, iPower Silent 4 inch Booster Fan 90CFM Quiet Inline Duct HVAC Exhaust Vent Blower, 4", Low Noise

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iPower #ad - Portable and lightweight; sufficient 4. High safety: with insulating coating, high safety factor. Note: max operating temp of motor is 130℃ / 266℉; max ambient temp is 60℃ / 140℉.

Great used as intake fan to bring fresh air into grow rooms. Specification: diameter: 4inch; air flow: 90cfm; speed: 3200RPM; Voltage: 110-120V; Wattage: 15 W. 9' grounded power cord. Advantages: superior balanced blades for long service life & quiet operation; motor features a permanently lubricated bearing that operates quietly and requires no maintenance. Applications: help to boost airflow in hvac units to remove exhausts and odors from kitchens & workshops and ventilate basements & attics, etc. If any other materials/particles get into the duct fan and get the blade stuck, users are to turn off the power immediately, clean it up, turn the power back on when handled properly.
BrandiPower #ad
ManufactureriPower #ad
Height6.89 Inches
Length5.91 Inches
Width4.92 Inches
Part NumberGLFANXBOOSTER4V2
ModelSilent 4 inch Booster Fan
Warranty1 year

5. iPower

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

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iPower #ad - Multifunction: perfect for grow tents, bathrooms, garage to reduce humidity, basements, hydroponics, locker rooms, greenhouses, kitchens, 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. Easy to install: removable duct ends with locking tabs for easy removal and maintenance, 5. 9 feet length power cord. 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.
BrandiPower #ad
ManufactureriPower #ad
Height7 Inches
Length8.1 Inches
Width7.7 Inches
Part NumberGLFANXINLINELITE4-A
Model4 Inch 195 CFM Duct Inline Ventilation

6. AC Infinity

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

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AC Infinity #ad - 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. 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.
BrandAC Infinity #ad
ManufacturerAC Infinity #ad
Part NumberAC-RXS4
ModelAC-RXS4

7. AC Infinity

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

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AC Infinity #ad - 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. Designed to quietly ventilate grow tents, transfer heating/cooling to rooms, exhaust odors, and cool AV closets. Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance. Airflow: 165 cfm | noise: 29 dBA | Bearings: Dual Ball. Duct size: 4" | dimensions: 6. 9 x 11. 9 x 7. 4 in.
BrandAC Infinity #ad
Part NumberAI-CLA4
ModelCLOUDLINE LITE A4

8. HUGOOME

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HVAC Exhaust Intake Fans 76 CFM, Ventilation Blower for Grow Tent Attic Kitchen Garage Greenhouse Basement Φ 4 inch/110v, Inline Duct Fan 4 Inch Vent Booster

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HUGOOME #ad - 100% satisfaction guarantee--if you have any questions during use, please do not hesitate to contact us by email. Grow tent applications--an inline duct fan for grow tent ventilation, used as intake fan to bring fresh air into grow rooms; also used as exhaust fan in smaller setups.

Safe and widely used--built-in overheating protection device and ABS material sleeve shell, double protection for the motor, and the motor runs less heat, which can be used in the kitchen attic grow tents garage greenhouse for a long time. With a seven-blade design, it achieves the effect of low friction and smooth air circulation, thereby realizing quiet operation of the extractor fan.

High performance--rotational speed 2400 r/min, 12w low energy consumption. This 4 inch inline fan comes with a 37. 8-inch power cord with a us plug, 76 CFM large airflow, easy to install in 4" vent pipe and easy to use. Detail design--the duct booster fan adopts double-ball oil-impregnated bearings, which are permanently lubricated. We will respond within 24 hours.
BrandHUGOOME #ad
ManufacturerHugoome #ad

9. AC Infinity

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Quiet 4” Inline Duct Fan with Temperature Controller, Ventilation Exhaust Fan for Heating Cooling Booster, AC Infinity CLOUDLINE LITE B4, Hydroponics, Grow Tents

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AC Infinity #ad - Features the same build quality and innovations as the CLOUDLINE Series delivered in a value package. Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance. Designed to quietly ventilate grow tents, transfer heating/cooling to rooms, exhaust odors, and cool AV closets. Airflow: 165 cfm | noise: 29 dBA | Bearings: Dual Ball. Duct size: 4" | dimensions: 6. 9 x 11. 9 x 7. 4 in. Intelligent controller with temperature triggers, cycles, minimum speed, timers, and custom transitions.
BrandAC Infinity #ad
Part NumberAI-CLB4
ModelCLOUDLINE LITE B4

10. iPower

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IPower 4 Inch 100 CFM Booster Fan Inline Duct Vent Blower for HVAC Exhaust and Intake 5.5' Grounded Power Cord, Silver, Low Noise, 4"

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iPower #ad - 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.

Note: if any other materials/particles get into the duct fan and get the blade stuck, users are to turn off the power immediately, clean it up, turn the power back on when handled properly. Specification: diameter: 4inch; air flow: 100 cfm; speed: 2930 rpm; voltage: 110/120v; wattage: 12w; noise level: 40 db.

Premium ventilation: quickly and efficiently move a vast amount of air; Temperature control-cooling rooms that tend to accumulate too much heat. Application: help boost airflow in hvaC heating, basements, ventilation and air conditioning units to remove exhausts and odors from grow rooms, workshops, kitchens, bathrooms, attics etc.
BrandiPower #ad
ManufactureriPower #ad
Height7.9 Inches
Length5.4 Inches
Weight1.6 Pounds
Width4.4 Inches
Part NumberGLFANXBOOSTER4V1
Model4 Inch 100 CFM