Revolution Silenced V2 AC Stratos Inline Fan – Systemair

High-output extraction without the noise

The Revolution Silenced V2 AC Stratos, built by Systemair, is a high-performance inline extractor for growers who need serious airflow with minimal noise. A specially engineered silenced steel casing lined with acoustic foam and a flow-optimised impeller cut running noise sharply while still shifting the volume of air needed to hold temperature and humidity steady. It is made in four duct sizes — 150mm, 200mm, 250mm and 315mm — sold by G.A.S as 150 AC, 200 AC, 250 AC and 315 AC Low Power. This is the silenced V2 casing, not the open non-silenced Stratos.

Key Benefits

• Acoustic foam-lined casing that cuts noise without choking airflow
• Flow-optimised impeller for efficient air movement
• Sealed, corrosion-resistant steel casing that stops air and odour leaks
• Holds airflow under load even when paired with a carbon filter
• AC controller compatible for automated climate control
• Four duct sizes, 150mm to 315mm, covering a single tent up to a grow room

Fixing heat build-up and mould risk from poor ventilation

Without proper extraction, heat builds under the lights and humidity climbs fast during flowering, slowing growth and raising the risk of mould and mildew on flowers. The Stratos moves large volumes of air while staying exceptionally quiet, holding temperatures stable and preventing humidity spikes. Paired with a carbon filter it also controls odour without sacrificing airflow, supporting healthier plants and better yields in hydro, coco or soil.

How to Use

• Mount the fan on its integrated hanging brackets, inside or outside the grow space.
• Connect it to your ducting and carbon filter with appropriate duct clamps.
• Plug into a suitable power supply or AC fan speed controller.
• Adjust fan speed to suit the conditions in your grow space.
• For automated control, connect a compatible AC controller that regulates airflow by temperature.