MarQ by Flipkart ESC Golden Smart Audi 14L RO & UV & UF & TDS & ALK & Copper Water Purifier Price starts at Rs. 3,799. The lowest price of MarQ by Flipkart ESC Golden Smart Audi 14L RO & UV & UF & TDS & ALK & Copper Water Purifier is at Flipkart. MarQ by Flipkart ESC Golden Smart Audi 14L RO & UV & UF & TDS & ALK & Copper Water Purifier is not available in other online stores. MarQ by Flipkart ESC Golden Smart Audi 14L RO & UV & UF & TDS & ALK & Copper Water Purifier is available in Gold colours across various online stores in India.