VIVOSUN R6 6 in Inline Fan
#3 in 6 inFull review
A low-cost 6 in fan for bathroom, basement or tent exhaust when running cost and filter performance matter less than price.
Amazon $63.99$63.99
6 in390 CFM34 dBA
3.1/5
A high-output 6 in fan for long duct runs or a big filter where noise is not a concern.
- 469 CFMAirflow
- 77 WPower
- 55 dBANoise
- ECMotor
Check price at Amazon$99.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- The most airflow of any 6 in fan here (469 CFM rated)
- Variable speed controller included
Cons
- Loud at full speed (55 dB rated)
- Warranty not published
The Hon&Guan EC family
Every Hon&Guan EC model we rank, smallest first. Ratings compare each against its own duct size.
| Model | Airflow | Rating | Price |
|---|---|---|---|
| Hon&Guan 6 in EC Inline Fan HI-150EC (this one) | 469 CFM | 3.1/5 | $99.99 |
| Hon&Guan 8 in EC Inline Fan HI-200EC | 760 CFM | 2.9/5 | $119.99 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its duct size. How we rank explains each one.
Specifications
| Model number | HI-150EC |
|---|---|
| Performance | |
| Duct size | 6 in |
| Rated airflow | 469 CFM |
| Power at full speed | 77 W |
| Power figure | Rated power |
| Airflow per watt | 6.1 CFM/W |
| Price per 100 CFM | $21.32 |
| Noise at full speed | 55 dBA |
| Top speed | 4,300 RPM |
| Controls | |
| Motor | EC |
| Controller | Variable speed controller |
| Speeds | Stepless |
| Temperature and humidity control | No |
| Phone app | No |
| Timer or cycle modes | No |
| Build | |
| Housing | Plastic |
| Ingress rating | IP44 |
| Voltage | 100-120 V |
Alternatives in this duct size
Hon&Guan PRO 6 in Inline Fan
#4 in 6 inFull review
A low-cost 6 in EC fan with strong rated airflow. Its power draw is not published, which keeps it below documented rivals.
Amazon $76.99$76.99
6 in405 CFM32 dBA
VEVOR 6 in EC Inline Fan HF-150PE
#6 in 6 inFull review
A cheap 6 in EC fan with a full-featured controller. Its power draw and full-speed noise are not published.
Amazon $69.90$69.90
6 in402 CFM
Compare
Compare the Hon&Guan 6 in EC Inline Fan HI-150EC with any other inline duct fan →
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