Only ZeroWater jugs and dispensers use Zerowater’s filtration system. The only pour through water filter that removes 99.6% of all Total Dissolved Solids including 99% of Fluoride. The patented 5-stage filtration system is certified by NSF to reduce PFOS/PFAS, lead, chromium and microplastics
Additional Warnings: Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system. The contaminants or other substances removed or reduced by this water treatment device are not necessarily in all users' water.