Culligan with MaxClear Technology
Universally compatible gravity water filters that deliver maximum filtration for superior contaminant reduction. The only gravity filter on the market certified to reduce microplastics, lead and total PFAS (forever chemicals), pharmaceuticals and pesticides.
Culligan with MaxClear Technology can make your gravity system better
Unmatched certification for reducing total PFAS, lead, and microplastics
| Certified to reduce |
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|---|---|---|---|---|
| Microplastics | ||||
| Lead | ||||
| Total PFAS | ||||
| Chlorine | ||||
| Chloramine | ||||
| Pharmaceuticals | ||||
| Pesticides |
This table represents certified contaminant reduction. The results presented are sourced from the available certification data for BOROUX® Foundation™ Black Filters and Berkey® Black Berkey®(BB9-2) Water Filters. As of 7/15/2025 BOROUX® and Berkey® Performance Data Sheets.
Water you love.™
At Culligan, we’ve been helping people enjoy one of life’s essential resources since 1936.
Our commitment to the highest quality standards and sustainability drives us to develop thoughtfully designed products that ensure your water is cleaner, crisper, and always ready—wherever you need it.
That’s why we designed our Culligan with MaxClear Technology filtration systems to meet the highest safety standards, certified by IAPMO. It’s one more way we help you enjoy cleaner water with confidence.
Frequently Asked Questions
Culligan with MaxClear Technology filters are designed to fit many popular gravity filtration systems like Berkey, ProOne, Alexapure, Aquacera, Boroux, Purewell, Waterdrop, Patriot Pure, and more.
Yes. Culligan with MaxClear Technology filters are certified to reduce 99% of Total PFAS.
Yes. They are certified to reduce microplastics, along with lead and Total PFAS.
Most households replace filters every 6 months for best performance.
Yes. They are IAPMO certified to NSF/ANSI standards for contaminant reduction.
Yes. A fresh filter typically restores optimal taste and performance.