The EcoFilter 10-cup Pitcher by ZeroWater is NSF certified to reduces chlorine odor and taste without a plastic shell lasting 3x longer than conventional water filters. Once your filter expires, the EcoFilter can easily be disposed of in your standard trash receptacle since it does not have a plastic shell. NSF Certified for reduction of chlorine taste and odor​ (Provides 120gal Worth Of Chlorine Reduction) Lasts 3x longer than standard 40 Gallon conventional filters and provides 120 Gallons or 6 months of filtration capacity. No plastic filter shell, less waste to dispose (3:1) ratio Made from BPA free plastic