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Water Filtration

Sophisticated systems crafted to give you pure, clean water.

23 Results

23 Results

  • Featured
  • Price: High - Low
  • Price: Low - High
  • A - Z
  • Z - A
  • Featured
  • Price: High - Low
  • Price: Low - High
  • A - Z
  • Z - A
Aquifer Refine®
Aquifer Refine®

Carbon block VOC replacement filter

K-21373-NA
Aquifer®
Aquifer®

Single replacement filter cartridge

K-77687-NA
Aquifer®+
Aquifer®+

Replacement filter cartridge two-pack with hollow fiber membrane and carbon block VOC

K-29651-NA
Aquifer®
Aquifer®

Showerhead replacement filter, two-pack

K-22322-NA
Aquifer®
Aquifer®

Two-pack replacement filter cartridges

K-77688-NA
Aquifer®
Aquifer®

Showerhead replacement filter, two-pack

K-30647-NA
Aquifer®
Aquifer®

Showerhead filter

K-30646-CP
Cinq™
Cinq™

Showerhead replacement filter

K-33632-NA
Aquifer®
Aquifer®

Double-cartridge water filtration system

K-77686-NA
Aquifer®
Aquifer®

Reverse osmosis (RO) carbon block CTO filter replacement

K-22158-NA
Aquifer Refine®
Aquifer Refine®

Carbon block CTO replacement filter

K-21372-NA
Aquifer Refine®
Aquifer Refine®

Ultra-filter replacement filter

K-21374-NA
Aquifer®
Aquifer®

Reverse osmosis (RO) carbon block VOC filter replacement

K-23334-NA
Aquifer®
Aquifer®

Replacement filter cartridge

K-20852-NA
Aquifer®
Aquifer®

Reverse osmosis (RO) remineralizer replacement two-pack

K-26159-NA
Aquifer®
Aquifer®

Reverse osmosis (RO) water filtration system

K-22155-NA
Aquifer®
Aquifer®

Single-cartridge water filtration system

K-77685-NA
Aquifer®
Aquifer®

Reverse osmosis (RO) sediment pre-filter replacement

K-22157-NA
Aquifer®
Aquifer®

Showerhead filter

K-22321-CP
Aquifer®
Aquifer®

Reverse osmosis (RO) replacement filter 3-pack

K-22159-NA
Aquifer®+
Aquifer®+

Two-stage water filtration system

K-29638-NA
Aquifer®
Aquifer®

Reverse osmosis (RO) replacement membrane

K-22156-NA
Aquifer®+
Aquifer®+

Hollow fiber membrane single replacement filter cartridge

K-29639-NA

Water Filtration Systems

Get great-tasting, contaminant-free water without the use of bottles. Learn more about our water filtration systems.

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Choosing a Water Filtration System

KOHLER® water filtration systems provide pure, clean water directly from your tap. Our discreet cold water filter systems provide high-quality filtration that integrates seamlessly with most kitchen sinks. Find the right fit for your space from our selection of water filters, including:

  • Single-cartridge: Keep your system functioning optimally with a single-stage filtration system
  • Two-stage: Our two-stage filtration systems reduce bacterial and viral contamination
  • Reverse osmosis (RO): Reverse osmosis membrane creates less water waste and provides premium filtration protection against arsenic, fluoride, bacteria, viruses, and more


Top Features

  • Advanced filtration: Our water filtration systems effectively remove a wide range of common contaminants
  • Easy to use: Installation and filter replacements are designed to be quick and simple
  • Eco-friendly: Reduces plastic waste by helping eliminate the need for bottled water


Complementary Products

Complete your filtration setup with more from Kohler. Explore our filtration faucets and replacement filters to round out your essentials.