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Filter Performance

Performance & Certifications

Through stringent testing and certification processes, our products consistently demonstrate superior performance in reducing impurities from water. Our certifications serve as a testament to our commitment to delivering the highest quality drinking water solutions.

How our filters work

Certifications

Guaranteed to remove 99.9% of dissolved solids and harmful contaminants, Culligan with ZeroWater Technology provides superior filtration with its 5-stage advanced water filtration technology. Certified to reduce PFAS, Pharmaceuticals, & Pesticides as well as chlorine, lead, chromium 6, PFOA/PFOS.

Our classic ZeroWater 5-stage advanced water filter is where better taste meets superior water filtration. Legacy ZeroWater Filter is IAPMO-certified to reduce lead, the forever chemicals PFOA/PFOS, chromium, and mercury giving you peace of mind that every glass you pour for you and your family will be healthier and cleaner.

Need something else?

For any other certifications or testing, please reach out to support here and we'll be happy to help