Availability can change as orders are placed.
Check availability & lead time
Kohler 77685-NA Aquifer Single-cartridge water filtration system
Enjoy greater peace of mind about the water you drink at home. The KOHLER® Aquifer water filtration system effectively reduces contaminants including lead, mercury, chlorine, and pharmaceuticals in your cold water. While many other systems use coal-based media filters, the Aquifer filter uses ground coconut shells, making it more eco-friendly. Under-sink installation is fast and...
Enjoy greater peace of mind about the water you drink at home. The KOHLER® Aquifer water filtration system effectively reduces contaminants including lead, mercury, chlorine, and pharmaceuticals in your cold water. While many other systems use coal-based media filters, the Aquifer filter uses ground coconut shells, making it more eco-friendly. Under-sink installation is fast and easy, and the compact Aquifer system fits alongside garbage disposals and household items stored below the sink.
Features
- Single-stage filtration and absorption system
- Reduces Chlorine Taste & Odor, Chloramine, Particulate Class I, Lead, Asbestos, Cyst, Mercury, Turbidity, and select Pharmaceuticals. See Performance Data Sheet for individual contaminants and reduction performance
- Includes Aquifer single replacement cartridge
- Filter head automatically turns off water supply when cartridge is removed
- 0.85 gpm maximum flow rate at 60 psi
- Eco-friendly coconut shell-based carbon filter
- Recommended for use with KOHLER® beverage faucets
Product details
- Material: Plastic
- Product type: Water Filtration Systems
- Style: Contemporary
- Application: Residential
- Warranty: KOHLER® Water Filter Systems Five-Year Limited Warranty
- Overall dimensions: Width: 3 in; Height: 12.25 in; Length: 3.4 in
- Finish: Not Applicable
Codes & standards
- Certifications / compliance: CSA
- CSA product standard: CSA B483.1
Resources
Choose options

Helpful information
Everything to check before you order
Review availability, what’s included, additional parts, support and manufacturer documents before ordering.
- Brand
- Kohler
- Model / SKU
- 77685-NA
What’s included
See the product description and manufacturer documents for package contents. Need to confirm a specific item? Contact us before ordering.
You may also need
Some installations need additional parts such as a valve, rough-in, drain, seat or mounting hardware. Check the manufacturer documents or contact us and we’ll help confirm what your installation requires.
Parts, repair & warranty
- Replacement parts
- Replacement parts may be available for this model. Contact us with the model number and the part you need.
- Service & repair
- Faucetera+ does not provide installation or repair labour. We can help you find manufacturer support information.
- Care & repair information
- Manufacturer care, maintenance and repair information is provided when available. Contact us if you need help finding it.
Nothing here limits any rights or legal warranties that apply to your purchase.
Information for Quebec customersGuides & documents
Before installation: Confirm the product, finish and required parts are right for your project, then review return eligibility.
Return policy