Of Zerowater's 5-Stage filter vs. Conventional 2-Stage filter for inorganic chemicals as listed under the EPA's national primary drinking water regulations and contaminants listed under the EPA's secondary drinking water standards.
NSF Independently Certified
ZeroWater’s 5 Stage Ion Exchange Filter is the only pour-through water filter certified by NSF to reduce PFOA/PFOS, lead, and chromium.
