Top 9 Duct Fan 4 Inch – Household Ventilation Fans

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1. iPower

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IPower GLFANXINLINELITE4 4 Inch 195 CFM Inline Duct Ventilation Fan Air Circulation Vent Blower for Grow Tent, Black, 4" Lite

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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. Efficient flow deflector feature increases air flow while cutting noise output.

Low noise design: fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30dB. Efficient design: lightweight, compact fan takes up minimal space; ideal for applications where larger fans just won’t fit. Spec: size: 4inch; air flow: 195 cfm; fan speed: 2500 rpm; volt: 120v; current: 045a; wattage: 28w; noise level: 30dB; Power cord length: 5. 9feet. 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.
BrandiPower #ad
ManufactureriPower #ad
Height7 Inches
Length8.1 Inches
Width7.7 Inches
ModelGLFANXINLINELITE4

2. iPower

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Silver, iPower GLFANXINLINE4 4 Inch 190 CFM Inline Duct Ventilation Fan HVAC Exhaust Blower for Grow Tent, Grounded Power Cord

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iPower #ad - Remove heat from the system to solves air delivery problems without major system rework or expense. Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control. Permanently lubricated bearing that requires zero maintenance. Durable ceramic-coated. Composite fan blades and center hub which reduces noise and vibration. Max ambient temperature: 176℉/ 80℃; Warranty: 12 months. 190 cfm; noise level:
BrandiPower #ad
ManufactureriPower Grow Light #ad
Height11 Inches
Length8.5 Inches
Weight8 Pounds
Width12 Inches
Part NumberGLFANXINLINE4
ModelGLFANXINLINE4

3. iPower

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4" Fan & Speed, iPower GLFANXINLINEEXPC4 4 Inch 118 CFM Inline Duct Fan with Variable Speed Controller Ventilation, Quiet HVAC Exhaust Blower, Black

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iPower #ad - Specifications: diameter: 4inch; air flow: 118 cfm; wattage: 28w; noise level: 30db. Easy installation: removable duct ends with locking screws for quick removal and easy maintenance and a cord length of 6 feet for hassle free setup.

Versatile applications: suitable for industrial, household and horticulture ventilation applications for air clean and temperature control. 110v standard household plug; Pre-wired 5. 9 feet power cord. Max ambient temp is 104℉/ 40℃. Details: one control switch for 3 settings: variable speed, OFF, HIGH, LOW. To avoid the risk of burning out the fan motor, MED, controller does not adjust below 50%. Power source type: Corded Electric. Note: comes with an installation bracket indicating the direction of the airflow. Max ambient temp is 104℉/ 40℃.
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ManufactureriPower #ad
Height9.1 Inches
Length13 Inches
Width8.7 Inches
Part NumberGLFANXINLINEEXPC4
ModelGLFANXINLINEEXPC4

4. AC Infinity

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4” Noise Reduction Muffler Blower Silencer for Indoor Hydroponics Grow Tent Ventilation Systems, AC Infinity Inline Duct Fan Silencer

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AC Infinity #ad - High-quality neoprene foam in an egg crate pattern that will reduce fan noise by up to 50%. Duct opening diameter: 4 inches | Length: 15 inches | Weight: 2. 30 pounds. Features dual aluminum flanges to help absorb sound waves from fan vibrations and airflow. Galvanized steel body that is corrosion-resistant and can withstand extreme temperatures. A duct muffler designed for use with inline fans in grow tents, bathroom fans and other HVAC applications.
BrandAC Infinity #ad
ManufacturerAC Infinity #ad
Part NumberAC-DSA4

5. iPower

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

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iPower #ad - 18℃ ~ 85℃. 4 inch 190 cfm duct inline fan blower: Composite fan blades and center hub which reduces noise and vibration. 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.

Free pre-filter included: we recommend replace the Pre-Filter every 6 months to protect your filter. 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. 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.
BrandiPower #ad
ManufactureriPower #ad
Height12 Inches
Length21 Inches
Weight16.1 Pounds
Width16 Inches
Part NumberGLFANXINL4FILT4MD8C
ModelGLFANXINL4FILT4MD8C
Warranty1 year

6. HORTIPOTS

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4 Inch Duct Filter Net for in Line Fan and Air Ducting in Hydroponic Grow Tent or Clone Box Closet for 4 inch Flange

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HORTIPOTS #ad - Heavy-duty plastic mesh screen fabrics in low restriction design NOT TO AFFECT AIR MOVEMENT of your ventilation fans. How to use: attach back-glued male velcro tabs onto the Flange approximately as Female Velcros sewn on Vent Net Cover.

Duct vent net cover are made to mount onto an intake fan or out-take fan to proTECT YOUR INDOOR GROW TENT GARDEN from unwanted dust and dirt from entering your Grow Room or Greenhouse or House through ventilation holes. Vent screen also can be attached directly onto the opening of round air ducting 4 inch, or duct flanges of air-Cooled HID grow light reflectors, in-line vent fans, 8 inch, 10 inch, exhaust fans, and 12 inch, 6 inch, intake outake fans and etc.

Then, put Duct Cover onto it. Vent sheild net are easily took off and washed by hand or by machine; then, installed back to round air ducting or duct flange to USE AGAIN and AGAIN to filter out particulars and particulates.
BrandHORTIPOTS #ad
ManufacturerHortiPots #ad
Weight0.9 ounces

7. iPower

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

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iPower #ad - Can use in grow tents, basements, bathrooms, garage. 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.

Built-in grounded control outlet. Multifunction: perfect for improve air flow, reduce humidity, grow rooms, locker rooms, kitchens, greenhouses, clear the air and lower temperatures. Package include: 1 pack 4 inch inline fan, 1 pack fan speed controller. Durable 3-pole grounded plug construction. 9 feet length power cord. Variable speed controller: one control switch for 3 settings: HIGH, MED, LOW.

Flanges on both the intake and exhaust ends for simple and easy hookup, 5. Low noise design reduces sound output to just 30 dB. Mini construction: lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won’t fit. Power source Type: Corded-Electric.
BrandiPower #ad
ManufactureriPower #ad
Height7 Inches
Length8.1 Inches
Width7.7 Inches
Part NumberGLFANXINLLITE4CTR
Model4 Inch 195 CFM Inline Duct
Warranty1 year

8. VIVOSUN

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VIVOSUN 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Carbon Filter and 8 Feet of Ducting for Grow Tent Ventilation

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VIVOSUN #ad - Effective odor control: the carbon filter eliminates some of the most undesirable odors, pungent smell and particulates from indoor grow tent, hydroponics grow room. Moves air through your target location efficiently for optimal ventilation.

Effective ventilation: powerful blower with a fan speed of 2300 RPM for an air flow of 190 CFM. Superior carbon filter: 1050+ rc 48 australian Virgin Charcoal Bed. Sturdy ducting+ 2 stainless clamps: strong, flexible steel wire supports heavy duty triple layer duct walls. Pet core is sandwiched in layers of fire-retardant aluminum that can handle temperatures from -22 to 266 Fahrenheit. Dimensions: 4" x 14". Advanced made easy: don’t waste time buying and returning parts that may or may not be compatible or safe to use together! Three-part system includes every part you need to get set up.
BrandVIVOSUN #ad
ManufacturerVIVOSUN #ad

9. iPower

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Grey, 4" Fan & Filter, iPower 4 Inch 190 CFM Inline Fan Carbon Filter Combo with Variable Speed Controller 8 Feet Rope Hanger for Grow Tent Ventilation

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iPower #ad - Free pre-filter included: we recommend replace the Pre-Filter every 6 months to protect your filter. One control switch for 3 settings: variable speed, low. Composite fan blades and center hub which reduces noise and vibration.

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: made with quality components for quiet operation. 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. Wide applications: kitchens, Grow Tents, Grow Rooms, Bathrooms, Greenhouses, etc. To avoid the risk of burning out the fan motor, MED, HIGH, OFF, controller does NOT adjust below 50%.
BrandiPower #ad
ManufactureriPower #ad
Height12 Inches
Length22 Inches
Width17 Inches
Part NumberGLFANXINL4FILT4MCTR
Model4 Inch 190 CFM Inline Fan Carbon Filter