Schedule Your Free Water Test
Enter a US number like (555) 555-5555 or an international number beginning with plus and country code.
Submitting sends your request to RainSoft and a dealer may contact you.
Your personal information will be handled in accordance with our Privacy Notice.

Under Sink Water Filtration

Under Sink Drinking Water Filtration Solutions from RainSoft

Under Sink Water FiltrationAn under sink drinking water filtration system from RainSoft is an absolute must for any family that wants to have an endless supply of fresh, great-tasting drinking water. Our under sink drinking water systems produce fresh, bottle-quality water that is vastly more enjoyable to consume than regular tap water – and they completely eliminate the need to buy bottled water. By using the most cutting-edge water purification technologies available, such as advanced carbon block filters and reverse osmosis membranes, our drinking water systems remove contaminants at the molecular level, resulting in water that is crisp, clean, and available right at your faucet.

At RainSoft, we specialize in making good water better. Families throughout North America have trusted our products since 1953, and have come to associate the RainSoft brand with an unparalleled commitment to quality. With help from one of our authorized RainSoft dealers, you can purchase a drinking water filtration system that perfectly accommodates your family’s water consumption needs. Consider the following models that we offer:

  • Ultrefiner II Premium Drinking Water Systems – a reverse osmosis system that utilizes three or four high-quality, multi-stage filters capable of addressing virtually any drinking water problem
  • Hydrefiner Filtration Systems – eliminate bad tastes and foul odors from tap water using a highly compressed carbon block filter

Whatever model of drinking water filtration system you decide is best for your family, you can rest easy knowing that every RainSoft product is assembled in the U.S.A. and backed by our Limited Lifetime Warranty.

To schedule a complimentary in-home water hardness and drinking water test, contact the RainSoft dealer nearest you today. Since 1953, RainSoft has been a trusted provider of premium under sink drinking water filtration systems, water softener systems, whole house water filtration systems, whole house air purifier systems, portable air purifiers, and more.

Water Insights

Know Your Water

Droplet divider

What's In My Water?

Whether your water comes from a well or municipally treated source, it may contain impurities that cause it to taste or smell bad or create other problems in your home.

Why Should I Test My Water?

A reliable water analysis is the only way to identify the specific impurities in your water that make it less than ideal for household use.

How Can I Test My Water?

You can buy a DIY water testing kit, but you’ll get more reliable results and helpful solutions with a complimentary in-home water test from the experts at RainSoft.

Schedule Your

Free Water Analysis

Get a free in-home consultation with a RainSoft water conditioning expert.

What’s in your water? A RainSoft test is the first step toward resolving your water woes. We’ll send a water treatment expert to your home to test your tap water, explain the results, and recommend the best solutions to meet your specific needs.

Get a Free Water Test