Crompton Heavy Duty 4 Blade (450mm) Exhaust Fan Price starts at Rs. 10,250. The lowest price of Crompton Heavy Duty 4 Blade (450mm) Exhaust Fan is at Flipkart. Crompton Heavy Duty 4 Blade (450mm) Exhaust Fan is not available in other online stores. Crompton Heavy Duty 4 Blade (450mm) Exhaust Fan is available in Blue colours across various online stores in India.