VIVOSUN AeroZesh T6
#1 in 6 inFull review
A 6 in EC fan that moves about as much air as the CLOUDLINE S6 on half the rated power, for less money. The rated noise is higher.
Amazon $89.99$89.99
The VIVOSUN AeroZesh T6 is the better inline duct fan overall, rated 4.0 to 3.4. The VIVOSUN AeroZesh T6 leads on controls. The AC Infinity CLOUDLINE S6 wins on airflow. The VIVOSUN AeroZesh T6 costs $9.01 less ($89.99 vs $99).
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.
AC Infinity CLOUDLINE S6
#2 in 6 inFull review
The usual pick for a 4x4 or 5x5 grow tent with a carbon filter: plenty of airflow, high static pressure and quiet running.
Amazon $99$99
Which should you buy?
- Choose the VIVOSUN AeroZesh T6 for controls (speed controller included, timer or cycle modes vs speed controller included).
- Choose the AC Infinity CLOUDLINE S6 for airflow (425 CFM through 6 in duct vs 408 CFM through 6 in duct).
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 AeroZesh T6 | AC Infinity CLOUDLINE S6 |
|---|---|---|
| Overall rating | 4.0/5 | 3.4/5 |
| Value 25% | 61 $22.06 per 100 CFM ($89.99, 408 CFM) | 55 $23.29 per 100 CFM ($99, 425 CFM) |
| Efficiency 25% | 96 11.7 CFM per watt (408 CFM, 35 W), from a power figure labeled average | 34 6.1 CFM per watt (425 CFM, 70 W) |
| Airflow 15% | 79 408 CFM through 6 in duct | 88 425 CFM through 6 in duct |
| Noise 15% | 80 32 dBA at full speed | 86 30 dBA at full speed |
| Controls 10% | 55 speed controller included, timer or cycle modes | 40 speed controller included |
| Warranty 10% | 25 2-year warranty | 25 2-year warranty |
Specifications
| VIVOSUN AeroZesh T6 | AC Infinity CLOUDLINE S6 | |
|---|---|---|
| Performance | ||
| Duct size | 6 in | 6 in |
| Rated airflow | 408 CFM | 425 CFM |
| Static pressure (not scored) | - | 503 Pa |
| Power at full speed | 35 W | 70 W |
| Power figure | Labeled average | Max power draw |
| Average power (not scored) | - | 38 W |
| Airflow per watt | 11.7 CFM/W | 6.1 CFM/W |
| Price per 100 CFM | $22.06 | $23.29 |
| Noise at full speed | 32 dBA | 30 dBA |
| Top speed | 3,000 RPM | - |
| Controls | ||
| Motor | EC | EC |
| Controller | 10-speed controller with cycle modes | 10-speed controller |
| Speeds | 10 | 10 |
| Temperature and humidity control | No | No |
| Phone app | No | No |
| Timer or cycle modes | Yes | No |
| Build | ||
| Housing | Plastic | Plastic |
| Ingress rating | IP44 | IP44 |
| Voltage | 110-240 V | 100-240 V |
| Warranty | 2 years | 2 years |