Heavy Duty Exhaust Fans are perfect fans conditioning for any ventilation and pollution problem. Heavy Duty Exhaust Fan have robust construction with low sound level and in corporate the best in fan engineering and design. Our Heavy Duty Exhaust Fans come in widest range of exhaust in single three phase with special treatment for corrosive, acidic or alkaline operating conditions. Specifications The fan motor is totally enclosed with the rotor on ball bearingsConform to IS-2312 of 1967 Applications Air pollution controlVentilationDustframe extractionEvaporative cooling etc