The AC Infinity CLOUDLINE S4 is a compact yet efficient 100 mm inline duct fan, designed for quiet and reliable ventilation in small grow tents, grow rooms, HVAC installations, and technical applications with limited space.
Powered by a PWM-controlled EC motor and a mixed-flow design, the S4 maintains consistent airflow even in setups with increased resistance, such as carbon filters or ducting with bends.
The S Series stands out thanks to its built-in 10-speed fan controller, allowing direct and simple airflow adjustment without the need for an external controller. The system operates with low noise and energy consumption, while the controller’s memory retains the last speed setting after a power outage.
The detachable motor housing makes cleaning and maintenance easy, and the dual ball bearings rated for long service life allow both horizontal and vertical installation.
Important note – Difference between S Series and A Series:
The S Series shares the same design and build quality as the A Series but offers higher power output and static pressure, making it better suited for more demanding ventilation setups.
Key Features
- Inline duct fan for small grow rooms and HVAC applications
PWM-controlled EC motor for quiet operation
Mixed-flow design for stable airflow under resistance
Built-in 10-speed fan controller
Speed memory after power loss
Detachable motor for easy maintenance
Dust and moisture resistance IP44
Technical Specifications
- Duct size: 100 mm
Airflow: ≈ 348 m³/h
Noise level: 28 dBA
Static pressure: 223 Pa
Operating voltage: 100–240 V AC
Frequency: 50 / 60 Hz
Maximum power draw: 28 W
Average power usage: 21 W
Ingress protection: IP44
Bearings: Dual ball bearings
L10 life expectancy: 67,000 hours
Mounting position: Horizontal or vertical
Applications:
- Small grow tents and grow rooms
Ventilation with carbon filters
Cooling small AV cabinets and closets
Bathrooms, storage rooms, and technical spaces
