The Acoustic Twin Fan 315mm (ATQ Range, 4 Pole) offers high-efficiency airflow for commercial ventilation applications. Its Class ‘O’ rated, acoustically treated housing with sandwich construction provides excellent noise absorption. Built from Aluzinc, it is suitable for both indoor and outdoor use. The fan features Class B motor insulation, standard thermal overload protection, and is performance tested to BS 848 Part 1 & 2. Manufactured under BS EN ISO 9001:2015, this robust twin fan comes with a 2‑year guarantee, ensuring reliable and quiet operation for demanding commercial environments.