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VIVOSUN 8 Inch Inline Duct Fan 420 CFM Review

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By Best Choice team
Checked icon Last updated - June 22, 2025
8.6

Verdict overview

  • lasts a long time 9.9
  • Easy installation 9.4
  • worth the money 8.6
  • Vacuum strength 7.2
  • Noise level 7.9
Pros
  • Durable: Long lasting
  • Compact: Space saving
  • Efficient: Powerful
Cons
  • Noisy/unstable fan.

Tech specs

air flow capacity 420 Cubic Feet Per Minute
blade material Plastic
recommended uses for product Basements
color Silver
electric fan design Exhaust Fan
batteries included No
special feature Portable, Lightweight
speed 2970 RPM
wattage 40 watts
warranty description Manufacturer Warranty for 360 days from date of purchase.
blade length 8 Inches
noise level 40 dB
customer reviews4.2 4.2 out of 5 stars 14,060 ratings 4.2 out of 5 stars
finish Painted
model name FBA 331101
indoor outdoor usage Indoor
product dimensions 7.87D x 9.06W x 8.27H
item weight 3.2 pounds
special features Portable, Lightweight
cable length 5.5 Feet
item package quantity 1
control method App
size 8 Inch
power source Electric
room type Bathroom
finish type Painted
batteries required No
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Product Overview

I recently had the opportunity to try out the VIVOSUN 8 Inch Inline Duct Fan 420 CFM, and I must say that it exceeded my expectations. This powerful fan is a great addition to any space, from bathrooms to basements and beyond.

The motor of the fan is incredibly strong and features a permanently lubricated bearing that operates quietly and requires no maintenance. It also has a superior balanced centrifugal impeller for long service life quiet operation. Surprisingly, it produces a noise level of less than 40 dB making it one of the quieter fans on the market. Additionally, it has an impressive air flow capacity of 420 cubic feet per minute, making it a great choice for boosting airflow in HVAC systems.

This fan is also very easy to install in fact, you can have it up and running in minutes with no special tools required. It has a diameter of 8 inches, speed of 2970 RPM and 420 CFM air flow. The fan is also portable and lightweight enough to be installed in areas with little available space, as well as grow rooms as intake fans or exhaust fan.

Overall, this fan is an excellent choice for anyone looking for an efficient yet quiet duct fan. It s perfect for bathrooms, kitchens, workshops, basements and attics making it ideal for both residential and commercial use alike. The VIVOSUN 8 Inch Inline Duct Fan 420 CFM comes with a certified frustration free warranty for 360 days from date of purchase giving you peace of mind when purchasing this product.

Given its durability, low noise level and suction power as well as its easy installation and competitive price I would highly recommend this product to anyone looking for a reliable duct fan that will last them for years to come.

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The secret behind our reviews

By Best Choice team

Best Choice Team is your go-to source for curated product recommendations across various categories. Leveraging years of industry experience and advanced AI technology, we analyze data from multiple sources to bring you the most relevant and up-to-date product lists.

Our AI-driven approach allows us to streamline the selection process, ensuring that the products we feature align with current market trends and consumer preferences. We aim to provide content that helps you navigate your purchasing decisions with greater ease Like.

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86% of reviewers would recommend to a friend, Based on 28,120 Reviews

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