http://www.snapdeal.com/product/prestige-1625-ltr-water-purifiers/1391605613#bcrumbLabelId:252 MRP Rs 3495 Selling Price Rs 2400 OFFER PRICE Rs 2308 PRODUCT SUMMARY OF PRESTIGE LIFESTRAW WATER PURIFIER Stage Purification Process : 3 Electricity Required : No Capacity : 16-25 Ltr Auto Shut Off : Yes Type : Gravity Storage : Yes Brand : Prestige DESCRIPTION OF PRESTIGE LIFESTRAW WATER PURIFIER Compliant with stringent US-EPA standards and NSF 42 standards. Requires no electricity. As safe as boiled water, saves gas. Has a capacity of 18 liters & ensures immediate access to purified water via the 9 liter built-in safe storage container. 3 stage filtration process: Stage 1: Pre- filter made of non-woven cloth removes particulate and suspended impurities Stage 2: Carbon block removes chlorine, sediment, volatiles organic compounds, taste and odour Stage 3: Ultrafiltration membrane removes: >99.9999% of bacteria (>6 log 10 reduction) >99.99% of viruses (>4 log 10 reduction) >99.99% of protozoan parasites (>4 log 10 reduction) Removes turbidity by filtering particles larger than 0.02 microns. Uses no chemicals for filtration. Has an extremely long life of 4500 Lt (under test conditions) & hence lowest cost per liter of water. Best value for money. Uses raw materials which are US Food and Drug Administration compliant WARRANTY OF PRESTIGE LIFESTRAW WATER PURIFIER Warranty Period1 Year Warranty TECHNICAL SPECIFICATIONS OF PRESTIGE LIFESTRAW WATER PURIFIER General TypeGravity Capacity16-25 Ltr Feature Auto Shut OffYes PC- 2790@http://www.amazon.in/gp/offer-listing/B00KOQR5MQ 3361+349@http://www.naaptol.com/water-filter...traw-18l-water-purifier-black/p/12430228.html 3145@http://www.ebay.in/itm/Prestige-Life-Straw-Water-Purifier-PLS-01-18L-/161439848332 3199@http://www.flipkart.com/prestige-lifestraw-18-uf-water-purifier/p/itmefpwhjgrfuvpy