Hon&Guan 6 in EC Inline Fan HI-150EC
#5 in 6 inFull review
A high-output 6 in fan for long duct runs or a big filter where noise is not a concern.
Amazon $99.99$99.99
6 in469 CFM6.1 CFM/W55 dBA
3.1/5
A quiet 6 in EC fan for 4x4 tents, best for owners already using Spider Farmer’s GGS controller.
- 402 CFMAirflow
- 62 WPower
- 32 dBANoise
- ECMotor
Check price at Amazon$115.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Quiet for a 6 in fan (32 dB rated)
- Works with Spider Farmer’s GGS smart controller later
Cons
- Costs more than fans that move as much air
- Warranty term for fans not stated
The Spider Farmer inline fan family
Every Spider Farmer inline fan model we rank, smallest first. Ratings compare each against its own duct size.
| Model | Airflow | Rating | Price |
|---|---|---|---|
| Spider Farmer 4 in Inline Fan | 205 CFM | 3.4/5 | $79.99 |
| Spider Farmer 6 in Inline Fan (this one) | 402 CFM | 3.1/5 | $115.99 |
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
| Performance | |
|---|---|
| Duct size | 6 in |
| Rated airflow | 402 CFM |
| Power at full speed | 62 W |
| Power figure | Rated power |
| Airflow per watt | 6.5 CFM/W |
| Price per 100 CFM | $28.85 |
| Noise at full speed | 32 dBA |
| Controls | |
| Motor | EC |
| Controller | Speed controller with RJ12 port |
| Speeds | Stepless |
| Temperature and humidity control | No |
| Phone app | No |
| Timer or cycle modes | No |
| Build | |
| Housing | Plastic |
| Ingress rating | IP42 |
Alternatives in this duct size
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
AC Infinity CLOUDLINE A6
#8 in 6 inFull review
A cheaper 6 in CLOUDLINE with less airflow and a little more noise than the S6. A fine fit for a tent that does not need the full 425 CFM.
Amazon $89.99$89.99
6 in352 CFM5.4 CFM/W34 dBA
Compare
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