MarQ by Flipkart Innopure Crux 15L RO & UV & UF & Copper & TDS Water Purifier Price starts at Rs. 3,749. The lowest price of MarQ by Flipkart Innopure Crux 15L RO & UV & UF & Copper & TDS Water Purifier is at Flipkart. MarQ by Flipkart Innopure Crux 15L RO & UV & UF & Copper & TDS Water Purifier is not available in other online stores. MarQ by Flipkart Innopure Crux 15L RO & UV & UF & Copper & TDS Water Purifier is available in Brown colours across various online stores in India.