Travel Water Bottle- Purifies Water by Eliminating 99.9% of Waterborne Bacteria & Parasites, Water Well 700ml REMOVES 99.9% OF WATERBORNE BACTERIA & PARASITES: Greatly reduces the risk of contracting illnesses such as diarrhoea, dysentery and Giardia. FILTERS UP TO 1000 LITERS OF WATER: The equivalent of 2000 disposable plastic drinking water bottles. Water Well is reusable, cost effective and engineered to last. FILL UP FROM RIVERS, LAKES, TAPS OR EVEN PUDDLES: Perfect for travelling, hiking, camping and a smart choice for survival situations when only impure water is available to drink. DURABLE BPA-FREE TRITAN PLASTIC. FLIP, BITE AND SIP Mouth piece with option to remove the bite valve to simply sip. No tipping required. New, sleek shape fits in the hand and most cup holders. The filter straw can be removed and the bottle sanitised in the dishwasher or with boiling water. NO AFTERTASTE AND REDUCED TURBIDITY : Water Well does not use iodine or iodinated resin chemicals unlike water purification tablets. Filters bacteria and particles to 0.1 microns; bacterial cells are typically 0.5 microns in size.