Verified Hardware Specs

VIVOSUN VIVOSUN R4 4 Inch Inline Fan Specs & Comparison

Comprehensive technical ledger, price trends, and side-by-side comparison indices for the VIVOSUN VIVOSUN R4 4 Inch Inline Fan.

Key Purchase Parameters

Price Value $49.79
Warranty Period Manufacturer Warranty for 90 days from date of purchase; Amazon.com Voluntary 30-Day Return Guarantee
Availability In Stock
Consumer Rating ★ 4.5 / 5.0

Full Technical Specifications Table

Specification Metric Recorded Parameter Value
Brand VIVOSUN
Model Name & Model Number Model Name: 306201P-4; Model Number: 306201P-4
Included Components Cord / Inline Fan
Style or Fan Type Inline Duct Fan / Blower (Style: Basic)
Price ($) $49.79
Amazon Store Availability Out of Stock
Manufacturer Store Availability N/A
Loved For • Quiet operation at high speeds • Strong static pressure and suction • Durable and reliable (runs 24/7 for 6 years) • Compact 4-inch size fits standard ducting • Excellent value for money
Dreaded For • Motor whining or high hum noise at low speeds • Fan blade imbalance and severe vibration issues • Bearings failing shortly after the warranty period • Sudden motor failure, making noise but not spinning
AI summary long text • Strong airflow and speed control • Good build quality and value • Mixed reviews on noise and durability • Reports of bearing or motor failure • Unbalanced blades cause significant vibration
Power Source / Supply Electric / Power Supply: 230 V
Power / Wattage 59 W
Voltage 230 V
Air Flow Capacity 190 CFM
Duct Size 4 inches
Noise Level <30 dB
Motor Type Brushless
Electric Fan Design Blower
Mixed Flow Design Yes (combines features of axial and centrifugal fans)
Speed 2300 RPM ± 10% (or 2300 RPM)
Main Power Connector Type N/A
Connector Type N/A
Item Dimensions D x W x H 7.66"D x 11.16"W x 7.82"H
Size 4" Basic / 4 inches
Item Weight 4.7 pounds
Materials (Body and Blade Material) Body Material: Plastic (reinforced plastic housing); Blade Material: Plastic
Color Black
Finish Type Powder Coated
Bearing Type N/A
IP Rating (Water/Dust Resistance) N/A
Mounting Type & Included Hardware (e.g., Ring Anchor) Tabletop Mount / Mounted; Includes installation bracket
Installation Type Mounted
Number of Blades 10
Form Factor N/A
Controller Type & Control Method Button Control / App (manual knob on power cord)
EC Motor with PWM-control N/A
Number of Speeds / Number of Power Levels Stepless speed regulation
Switch Type N/A
Standby Power Shutoff N/A
Smart Programming N/A
Special Features Lightweight, Stepless Speed Regulation, Removable duct ends with locking tabs for easy maintenance
Sustainability Features Recycled materials, Global Recycled Standard certified (made with chemicals safer for human health/environment, manufactured in facilities protecting worker rights/health)
Recommended Uses / Room Type (Indoor/Outdoor) Indoor; Grow room (grow tent air circulation), bathroom moisture removal, basement mold prevention, 3D printing workshop heat & dust management, industrial, household and horticulture ventilation applications
Certificates / Specifications Met Global Recycled Standard
Warranty & Support Manufacturer Warranty for 90 days from date of purchase; Amazon.com Voluntary 30-Day Return Guarantee
Amazon Link https://amzn.to/4w6VrG2
Manufacture's Link N/A
Last Updated (Date) August 4, 2026

Detailed Specification Attributes

  • Spec: VIVOSUN
  • Spec: Model Name: 306201P-4; Model Number: 306201P-4
  • Spec: Cord / Inline Fan
  • Spec: Inline Duct Fan / Blower (Style: Basic)
  • Spec: $49.79
  • Spec: Out of Stock
  • Spec: N/A
  • Spec: • Quiet operation at high speeds • Strong static pressure and suction • Durable and reliable (runs 24/7 for 6 years) • Compact 4-inch size fits standard ducting • Excellent value for money
  • Spec: • Motor whining or high hum noise at low speeds • Fan blade imbalance and severe vibration issues • Bearings failing shortly after the warranty period • Sudden motor failure, making noise but not spinning
  • Spec: • Strong airflow and speed control • Good build quality and value • Mixed reviews on noise and durability • Reports of bearing or motor failure • Unbalanced blades cause significant vibration
  • Spec: Electric / Power Supply: 230 V
  • Spec: 59 W
  • Spec: 230 V
  • Spec: 190 CFM
  • Spec: 4 inches
  • Spec: <30 dB
  • Spec: Brushless
  • Spec: Blower
  • Spec: Yes (combines features of axial and centrifugal fans)
  • Spec: 2300 RPM ± 10% (or 2300 RPM)
  • Spec: N/A
  • Spec: N/A
  • Spec: 7.66"D x 11.16"W x 7.82"H
  • Spec: 4" Basic / 4 inches
  • Spec: 4.7 pounds
  • Spec: Body Material: Plastic (reinforced plastic housing); Blade Material: Plastic
  • Spec: Black
  • Spec: Powder Coated
  • Spec: N/A
  • Spec: N/A
  • Spec: Tabletop Mount / Mounted; Includes installation bracket
  • Spec: Mounted
  • Spec: 10
  • Spec: N/A
  • Spec: Button Control / App (manual knob on power cord)
  • Spec: N/A
  • Spec: Stepless speed regulation
  • Spec: N/A
  • Spec: N/A
  • Spec: N/A
  • Spec: Lightweight, Stepless Speed Regulation, Removable duct ends with locking tabs for easy maintenance
  • Spec: Recycled materials, Global Recycled Standard certified (made with chemicals safer for human health/environment, manufactured in facilities protecting worker rights/health)
  • Spec: Indoor; Grow room (grow tent air circulation), bathroom moisture removal, basement mold prevention, 3D printing workshop heat & dust management, industrial, household and horticulture ventilation applications
  • Spec: Global Recycled Standard
  • Spec: Manufacturer Warranty for 90 days from date of purchase; Amazon.com Voluntary 30-Day Return Guarantee
  • Spec: https://amzn.to/4w6VrG2
  • Spec: N/A
  • Spec: August 4, 2026

Acquire the VIVOSUN VIVOSUN R4 4 Inch Inline Fan

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

Check Price on Amazon