ZeroWater 6-Cup Pitcher ZP-006 Pitcher Features NSF Certified to Reduce Lead. Eliminates 99.6% of All Dissolved Solids. Lightweight. Filter Change Indicator. Built-in TDS Meter BPA Free. Why Zero Water It is a 5 stage filter which is more comprehensive than conventional 2 stage filters Ion Exchange Technology as opposed to simple carbon only Removes virtually all 99.6% detectable dissolved solids while leading brands removes up to 50% Description ZeroWater Pitcher gives you top performing filtration technology delivering pure tasting water. The 6-cup glass dispenser is best for office use or home use. It also features a powerful 5-stage Dual-Ion Exchange Filter System that provides you crystal clear water for drinking and making ice. It comes with the no drip easy pour spigot so that you can dispense water with one easy push. The ion exchange filter system removes majority of chemicals like chlorine, lead ,zinc and many more present in tap water. It is capable of virtually eliminating 99.6% detectable dissolved solids. This dispenser has a color changing filter technology that lets you know when to replace your filter. It confirm that the water receives appropriate amount of treatment time to deliver a reading on your total dissolved solids meter. You get a TDS meter holder that lets you check the TDS level in your water before and after Filtration. Whats Included 6 Cup Pitcher w/ Water Filter 4 Extra Filters TDS Meter User Manual Stages of Filtration Patented 5-Stage Dual-Ion Exchange filtration system Stage 1 Coarse filter to remove fine particles/sediment. Stage 2 Distributor that maximizes contact time. Stage 3 Multi-layer system using activated carbon and oxidation reduction alloy. Stage 4 Comprehensive ION EXCHANGE array. Stage 5 Non-woven membrane to remove fine particles.