Experience industrial-strength ventilation with the Fanco OV4E 350mm Commercial-Grade Exhaust Fan — purpose-built to handle the most challenging high-usage environments. This heavy-duty axial exhaust fan generates impressive 2500m³/hr extraction power while consuming just 140W, delivering uncompromising performance for demanding commercial and intensive residential applications. Featuring continuous-duty sealed ball-bearing motors encased in durable metal housing, this robust system operates reliably under extended use conditions. Flexible wall/ceiling dual mount design accommodates diverse installation requirements, with ESEEAS speed controller integration enabling precise airflow adjustment for customised indoor ventilation management across various operational demands. Massive 2500m³/hr extraction capacity at 140W delivers superior ventilation performance for large spaces and intensive environments Sealed ball-bearing motor — continuous duty rating ensures 24/7 operation reliability for demanding commercial/high-usage domestic applications Easy 400mm duct installation with versatile dual-mount capability ensures long-term reliability and safety This product comes with a 2-Year Replacement Warranty*