Kohler Reverse Osmosis (RO) K-22159-NA replacement filter 3-pack

Short Description

Keep your Kohler Aquifer RO system performing at its best. The Kohler Aquifer® Reverse Osmosis (RO) Replacement Filter 3-Pack ensures you enjoy clean, fresh, great-tasting water by reducing a wide range of contaminants — from heavy metals and chlorine to emerging chemicals and pharmaceuticals. Easy to install and eco-conscious, this 3-pack is an essential part of maintaining your family’s water quality.

Long Description

Enjoy every sip with confidence. Engineered by Kohler, a trusted name in home innovation, the Aquifer RO Replacement Filter 3-Pack delivers comprehensive 3-stage purification:

• A sediment pre-filter for removing particles

• A carbon block CTO filter for chlorine, taste, and odor

• A carbon block VOC filter for chemicals and emerging contaminants

Together, they help reduce arsenic, lead, mercury, fluoride, chlorine, PFOA/PFOS, pharmaceuticals, bacteria, and viruses. Each cartridge features a quick quarter-turn design for easy DIY replacement and includes prepaid recycling to keep filters out of landfills.

Certified to NSF/ANSI standards, these OEM cartridges guarantee safe, great-tasting water — with the peace of mind only genuine Kohler filters provide.

Key Features

• Three-stage advanced filtration (sediment, CTO carbon, VOC carbon)

• Reduces lead, arsenic, mercury, chlorine, VOCs, PFAS, pharmaceuticals, bacteria, and viruses

• Quarter-turn twist-lock design for tool-free filter replacement

• 6-month lifespan (approx. 230 gallons per filter set)

• High-impact, BPA-free plastic construction

• Designed for the Kohler Aquifer RO System (model 22155-NA)

• Eco-friendly prepaid cartridge recycling program

• NSF/ANSI 42, 53, 58, 401, and CSA B483.1 certified

Technical Specifications

• Model: K-22159-NA

• Includes: 3 cartridges (sediment, CTO carbon, VOC carbon)

• Dimensions: 13-1/16” H x 2-7/16” D (each cartridge)

• Capacity: ~230 gallons / 6 months per set

• Operating Pressure: 40–100 psi

• Operating Temp: 40–100 °F (cold water use only)

• Certifications: NSF/ANSI 42, 53, 58, 401; CSA B483.1

• Warranty: 5-Year limited warranty on system housing (filters are consumables)

Installation & Maintenance

• Quick quarter-turn replacement with automatic water shutoff

• Replace every 6 months or 230 gallons, whichever comes first

• Flush system after installing new filters to prime cartridges

• No tools or plumber required

• Prepaid mail-back program for recycling used cartridges

Why Homeowners Choose Aquifer

• Health First: Protects your family from harmful contaminants in tap water

• Trusted Brand: Backed by Kohler’s reputation and certification testing

• Convenience: Fresh, filtered water on demand — no bottled water needed

• Eco-Conscious: Reduce single-use plastics and recycle used filters responsibly

• Better Taste: Cleaner water for drinking, cooking, coffee, tea, and ice

FAQ

Q: How often do I replace these filters?
A: Every 6 months or after filtering 230 gallons, whichever comes first.

Q: Are these filters universal?
A: No. They are designed specifically for the Kohler Aquifer RO System (model K-22155-NA).

Q: What contaminants are reduced?
A: Lead, arsenic, mercury, fluoride, chlorine, VOCs, pharmaceuticals, PFAS, bacteria, viruses, and more.

Q: Do I need tools or a plumber to replace them?
A: No. The quarter-turn twist design makes replacement simple and spill-free.

Q: How do I dispose of used filters?
A: Use the included prepaid mail-back program to recycle responsibly.