Ventilation Fan in 9000 – 20000 CFM Flow Capacity is made using quality grade raw material which ensures optimum durability along with long lasting trouble free service. The Ventilation Fan is application specific in design and accurate in dimension. The Ventilation Fan is strong and rigid in construction and ensures ease of use. Ventilation Fan in 9000 – 20000 CFM Flow Capacity can be custom made in various shapes and sizes as per specific requirements.