A low-cost 6 in fan for bathroom, basement or tent exhaust when running cost and filter performance matter less than price.
Amazon $63.99The VIVOSUN R6 6 in Inline Fan is the better inline duct fan overall, rated 3.2 to 3.1. The VEVOR 6 in EC Inline Fan HF-150PE wins on controls. The VIVOSUN R6 6 in Inline Fan costs $5.91 less ($63.99 vs $69.90).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A cheap 6 in EC fan with a full-featured controller. Its power draw and full-speed noise are not published.
Amazon $69.90Which should you buy?
- Choose the VEVOR 6 in EC Inline Fan HF-150PE for controls (speed controller included, timer or cycle modes vs speed controller included).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 6 in inline duct fan; a clear win is highlighted. How we rank explains each one.
| Factor weight | VIVOSUN R6 6 in Inline Fan | VEVOR 6 in EC Inline Fan HF-150PE |
|---|---|---|
| Overall rating | 3.2/5 | 3.1/5 |
| Value 25% | 91 $16.41 per 100 CFM ($63.99, 390 CFM) | 85 $17.39 per 100 CFM ($69.90, 402 CFM) |
| Efficiency 25% | 0 power draw not published, scored as the lowest | 0 power draw not published, scored as the lowest |
| Airflow 15% | 70 390 CFM through 6 in duct | 76 402 CFM through 6 in duct |
| Noise 15% | 74 34 dBA at full speed | 50 full-speed noise not published (neutral score used) |
| Controls 10% | 40 speed controller included | 55 speed controller included, timer or cycle modes |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| VIVOSUN R6 6 in Inline Fan | VEVOR 6 in EC Inline Fan HF-150PE | |
|---|---|---|
| Performance | ||
| Duct size | 6 in | 6 in |
| Rated airflow | 390 CFM | 402 CFM |
| Price per 100 CFM | $16.41 | $17.39 |
| Noise at full speed | 34 dBA | - |
| Top speed | 2,450 RPM | - |
| Controls | ||
| Motor | - | EC |
| Controller | Stepless speed controller | 10-speed controller with timer and cycle modes |
| Speeds | Stepless | 10 |
| Temperature and humidity control | No | No |
| Phone app | No | No |
| Timer or cycle modes | No | Yes |
| Build | ||
| Housing | Plastic | - |
