ZeroWater 26oz Portable Filtration Tumbler - ZT-026 26oz. on-the-go filtration tumbler 5-Stage filtration removes 99.6% of Dissolved Solids BPA Free and Dishwasher Safe Color changing filter technology Removes 2x more Dissolved Solids compared to conventional 2-stage filtration 5-Stage Water Filtration Removes Virtually All Dissolved Solids for the Purest Tasting Water The Only Pour Through Water Filter Certified to Reduce Both Lead and Chromium Stage 1: Removes suspended solids such as dust and rust that make your water appear cloudy Stage 2: Removes additional suspended solids Stage 3: Removes organic contaminants; pesticides, herbicides, mercury, chlorine, chloramine, and stops bacteria from growing Stage 4: Removes inorganic compounds i.e. metals, nonmetals and radiological contaminants. Stage 5: Removes remaining suspended solids, holds the resin in place