Shower Filter Replacements

Find the model number of your existing shower filter system or filtered showerhead, then check the replacement cartridge’s compatibility information. Aquifer™ replacements 22322-NA and 30647-NA are separate two-pack options; the shared Aquifer name alone does not confirm fit. The 33632-NA replacement uses Aquifer filtration technology for compatible KOHLER filtered showerheads. Confirm your exact model before ordering.

Follow the replacement interval and water-capacity guidance provided for your specific cartridge. Do not assume every shower filter follows the same schedule. Note the installation date and set a reminder based on your model’s care instructions.

Aquifer™ shower filtration options help reduce chlorine and odor in shower water. Select replacements also help control or reduce scale buildup. Performance varies by model, so review the specific cartridge’s filtration claims rather than assuming every option provides the same benefits.

A replacement cartridge is designed to work inside a compatible filtration system or filtered showerhead; it is not a complete standalone filter. If your shower does not already have filtration, identify a suitable system first, then choose the replacement specified for it.

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