Verified Hardware Specs

VIVOSUN VIVOSUN Inline Booster Duct Fan 4 Inch Specs & Comparison

Comprehensive technical ledger, price trends, and side-by-side comparison indices for the VIVOSUN VIVOSUN Inline Booster Duct Fan 4 Inch.

Key Purchase Parameters

Price Value $99.99
Warranty Period N/A
Availability In Stock
Consumer Rating ★ 4.5 / 5.0

Full Technical Specifications Table

Specification Metric Recorded Parameter Value
Brand VIVOSUN
Model Name & Model Number VSV-IFB4
Included Components Inline Duct Fan with Speed Controller
Style or Fan Type Adjustable Speed
Price ($) N/A
Amazon Store Availability Out of Stock
Manufacturer Store Availability N/A
Loved For • Adjustable Speed Dial: Features a step-less, completely adjustable controller dial. • Quiet Operation: Runs extremely quietly or silently at a low noise level under 28 dB. • Easy Installation: Quick and simple to mount and connect to existing ducting. • Compact & Lightweight: Small form factor ideal for tight spaces like grow tents, closets, or bathrooms.
Dreaded For • Finicky Controller: Speed control issues like humming at low speeds and erratic dial behavior • Low Airflow/Power: Too weak for large rooms or heavy-duty extraction • Controller Location: Placed close to the fan housing, making it hard to reach • Occasional Defect: Wire can touch the blade and cause noise until adjusted
AI summary long text The VIVOSUN 4-inch Inline Booster Duct Fan with Speed Controller is highly regarded as an affordable, lightweight, and extremely quiet solution for small-scale air circulation. It is commonly used in grow tents, bathrooms, workshops, and basements. Most customers appreciate the included adjustable speed controller and its quiet operating level of under 28 dB. However, some users note that the airflow is not powerful enough for heavy-duty requirements, and others complain that the speed dial can be finicky or inconveniently positioned on the power cord.
Power Source / Supply Corded Electric
Power / Wattage 14 W
Voltage 120 V
Air Flow Capacity 106 CFM
Duct Size 4 inches
Noise Level 28 dB
Motor Type AC Motor
Electric Fan Design Exhaust Fan
Mixed Flow Design N/A
Speed 2990 RPM (Max Speed)
Main Power Connector Type N/A (Standard US Plug, 5.9 FT Power Cord)
Connector Type N/A
Item Dimensions D x W x H 3.9"D x 3.9"W x 5.9"H
Size 4 inches
Item Weight N/A
Materials (Body and Blade Material) Body: Steel (Metal), Blade: Plastic
Color Black
Finish Type Metallic
Bearing Type Permanently Lubricated Bearing
IP Rating (Water/Dust Resistance) N/A
Mounting Type & Included Hardware (e.g., Ring Anchor) Ceiling Mount
Installation Type Fixed
Number of Blades N/A
Form Factor N/A
Controller Type & Control Method Controller Type: Button Control, Control Method: App (as listed in specifications) / Speed Controller Dial (actual)
EC Motor with PWM-control No (Engine: AC Motor)
Number of Speeds / Number of Power Levels 2
Switch Type Push Button
Standby Power Shutoff N/A
Smart Programming N/A
Special Features Low Noise
Sustainability Features Contains at least 50% recycled material; made with chemicals safer for human health and the environment (Global Recycled Standard)
Recommended Uses / Room Type (Indoor/Outdoor) Exhausting / Indoor (Bathroom, Grow Tents, Workshops, Basements, Kitchens, Attics)
Certificates / Specifications Met HVAC, CE, RoHS
Warranty & Support N/A
Amazon Link https://amzn.to/4pWoWsU
Manufacture's Link N/A
Last Updated (Date) August 4, 2026

Detailed Specification Attributes

  • Spec: VIVOSUN
  • Spec: VSV-IFB4
  • Spec: Inline Duct Fan with Speed Controller
  • Spec: Adjustable Speed
  • Spec: N/A
  • Spec: Out of Stock
  • Spec: N/A
  • Spec: • Adjustable Speed Dial: Features a step-less, completely adjustable controller dial. • Quiet Operation: Runs extremely quietly or silently at a low noise level under 28 dB. • Easy Installation: Quick and simple to mount and connect to existing ducting. • Compact & Lightweight: Small form factor ideal for tight spaces like grow tents, closets, or bathrooms.
  • Spec: • Finicky Controller: Speed control issues like humming at low speeds and erratic dial behavior • Low Airflow/Power: Too weak for large rooms or heavy-duty extraction • Controller Location: Placed close to the fan housing, making it hard to reach • Occasional Defect: Wire can touch the blade and cause noise until adjusted
  • Spec: The VIVOSUN 4-inch Inline Booster Duct Fan with Speed Controller is highly regarded as an affordable, lightweight, and extremely quiet solution for small-scale air circulation. It is commonly used in grow tents, bathrooms, workshops, and basements. Most customers appreciate the included adjustable speed controller and its quiet operating level of under 28 dB. However, some users note that the airflow is not powerful enough for heavy-duty requirements, and others complain that the speed dial can be finicky or inconveniently positioned on the power cord.
  • Spec: Corded Electric
  • Spec: 14 W
  • Spec: 120 V
  • Spec: 106 CFM
  • Spec: 4 inches
  • Spec: 28 dB
  • Spec: AC Motor
  • Spec: Exhaust Fan
  • Spec: N/A
  • Spec: 2990 RPM (Max Speed)
  • Spec: N/A (Standard US Plug, 5.9 FT Power Cord)
  • Spec: N/A
  • Spec: 3.9"D x 3.9"W x 5.9"H
  • Spec: 4 inches
  • Spec: N/A
  • Spec: Body: Steel (Metal), Blade: Plastic
  • Spec: Black
  • Spec: Metallic
  • Spec: Permanently Lubricated Bearing
  • Spec: N/A
  • Spec: Ceiling Mount
  • Spec: Fixed
  • Spec: N/A
  • Spec: N/A
  • Spec: Controller Type: Button Control, Control Method: App (as listed in specifications) / Speed Controller Dial (actual)
  • Spec: No (Engine: AC Motor)
  • Spec: 2
  • Spec: Push Button
  • Spec: N/A
  • Spec: N/A
  • Spec: Low Noise
  • Spec: Contains at least 50% recycled material; made with chemicals safer for human health and the environment (Global Recycled Standard)
  • Spec: Exhausting / Indoor (Bathroom, Grow Tents, Workshops, Basements, Kitchens, Attics)
  • Spec: HVAC, CE, RoHS
  • Spec: N/A
  • Spec: https://amzn.to/4pWoWsU
  • Spec: N/A
  • Spec: August 4, 2026

Acquire the VIVOSUN VIVOSUN Inline Booster Duct Fan 4 Inch

Review real-time stock levels, commercial pricing, and customer feedback directly on Amazon via our secure technical referral link.

Check Price on Amazon