Usha Crisp Air LX 5 Blade (200mm) Exhaust Fan (Pack of 6) Price starts at Rs. 6,815. The lowest price of Usha Crisp Air LX 5 Blade (200mm) Exhaust Fan (Pack of 6) is at Flipkart. Usha Crisp Air LX 5 Blade (200mm) Exhaust Fan (Pack of 6) is not available in other online stores. Usha Crisp Air LX 5 Blade (200mm) Exhaust Fan (Pack of 6) is available in White colours across various online stores in India.