AO Smith X2 Neo Plus 4.5L UV Water Purifier Price starts at Rs. 9,699. The lowest price of AO Smith X2 Neo Plus 4.5L UV Water Purifier is at Flipkart. AO Smith X2 Neo Plus 4.5L UV Water Purifier is not available in other online stores. AO Smith X2 Neo Plus 4.5L UV Water Purifier is available in White colours across various online stores in India.