Enjoy great-tasting water with the latest pitcher filter technology. The ZeroWater filtration system combines FIVE sophisticated technologies that work together to remove virtually all dissolved solids from your tap water. ZeroWaters first layer of filtration, activated carbon and oxidation reduction alloy removes the chlorine taste you are accustomed to with tap water. Stage 1: Activated carbon-infused micron cloth. Stage 2: Multi-layer system using activated carbon and oxidation reduction alloy. Stage 3: Distributor that maximizes contact time. Stage 4: Comprehensive ION EXCHANGE array. Stage 5: Non-woven membrane to remove fine particles.