Reverse Osmosis & Whole House Filtration Near Napa Valley, CA

Aquasential® Smart Reverse Osmosis Drinking Water System

Get an unlimited supply of cleaner, safer water, plus smart features like tracking your cost savings and reduced contaminants.

Aquasential® Reverse Osmosis Drinking Water System

Delivers cleaner, safer water for just pennies a glass using advanced filtration specific to your home’s needs.

Aquasential® Tankless RO Drinking Water Filtration System

Offers on-demand, high-quality filtration with advanced technology and a space-saving design.

2 Per Month

ClearLink PRO Home Under Sink Water Filtration Wireless Accessory

The first wireless control system on the market: It works with your current faucet so you don\'t need to drill a hole through your countertop.

7 Per Month

High-Efficiency Whole House Well Water Filtration System

For houses with well water, the most complete water filtration system for the entire home.

9 Per Month

Aquasential™ Select Series™ and Select Plus Series™ Whole House Water Filters

Fits your home and your budget: Our economical and low-maintenance system pairs efficient whole-home water filtration with sophisticated sediment reduction.

Aquasential™ Smart High-Efficiency Water Filter

For houses with well water, the most complete water softening and filtration system for the entire home.

Aquasential™ Select Plus Series™ Iron-OX5® Water Filter

Eliminate the need to apply harsh chemicals with Culligan’s affordable filtration system that uses a natural process to help dissolve and reduce iron that may be in your tap water.

Aquasential™ Select Plus Series™ Sulfur-OX3® Water Filter

Designed to remove moderate levels of bad-smelling sulfur from your water without the use of chemicals.

Aquasential™ Smart High Efficiency Iron-Cleer® Water Filter

State-of-the-art iron reduction: Eliminates rust stains left behind in sinks, tubs, or toilets, and softens water so fixtures and dishes look cleaner.