ZeroWater's portable filtered tumbler adheres to an active on-the-go lifestyle allowing you to enjoy filtered water anywhere you go. The 5-stage filter transforms tap water into delicious, TDS-free drinking water. Get more out of your water with ZeroWater's 5- Stage Water Filtration. ZeroWater's premium 5-stage filtration vs. competitors 2-stage filtration 3rd party tested to reduce Lead and Other Heavy Metals Removes 99.6% of all dissolved solids, 2X more than leading brand filters Color changing technology 26 oz Capacity BPA Free Dishwasher safe new in packaging. rare discontinued great for traveling camping hiking water filtration tumbler water bottle