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Under Sink Filtration Systems

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Premier under sink for your home

4.7 stars out of 89 reviews

(Reviews are an average of all under sink products)

Our innovative under-sink filtration systems offer compact, sleek and modern designs. Enjoy crisper, cleaner water with a system that features real-time water quality monitoring, filter change indicator, and quick filter replacement.

  • Professional-grade products from a trusted and reliable brand at a great price point
  • High-performance industry-proven design
  • Easy and quick installation
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Premium Filtration

We have a variety of water solutions to meet your needs, whether your worried about contaminants or taste.

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Enjoy Peace of Mind

LED light indicator on smart faucet alerts you when it's time to change a filter

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Improve Food & Drink

Improve your daily routine by drinking and cooking with better-tasting water

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Hassle-Free

Convenient vertical undersink unit with no need for a storage tank

Why choose undersink?

Freshpoint EasyFlow

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  • Certified to reduce lead, chlorine taste & odors, cysts and PFOA/PFOS “forever chemicals”
  • Great-tasting, more refreshing water from your existing faucet

Tankless RO System
 

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  • Enjoy crisper, cleaner water with a system that features real-time water quality monitoring, filter change indicator, and quick filter replacement

GRO-575 Reverse Osmosis System

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  • 5 unique filtration stages work together to reduce a broad range of contaminants
  • Enjoy peace of mind knowing this system reduces up to 98% of PFOA/PFOS “forever chemicals”

Browse all undersink products

View our list of under sink products.

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Reviews

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5 stars

I love it!
Ahhh! Great tasting water again! Thank you Omnifilter! This works fantastic! I highly recommend getting this! The installation wasn't too bad, but a YouTube video from the company would have been nice. This is my second unit, my first one lasted 15 years!
by Thomas R.

5 stars

Perfect Balance
​If you're looking for a water filtration system that tastes great and takes up very little room under your sink, then I recommend giving this a try.​
by Lamuprise74

5 stars

Very Happy
Water taste is great, and the unit is perfect in tight spaces.​
by Alexandra

What's in your water?
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Worried about what may be in your water? Get our water test kit and send it in to us! We do extensive testing and will recommend products based on the makeup of your water. Get a test today!

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Learn About PFAS

These man-made chemicals, often referred to as ‘forever chemicals’ are just beginning to be understood. 

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Is Lead in my Water?

Lead is harmful even in small doses, as the EPA attests. The EPA has set the maximum contaminant level goal for lead in drinking water at zero. Learn about how lead gets into your water and which products are recommended to reduce its effects.

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The Effects of Unfiltered Drinking Water in the Home

Drinking water in the home may be contaminated just by the water treatment process alone. Find out how you can mitigate your contamination risks!

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Looking for replacement parts and filters?

Use our replacement finder to find what you need.

Product Support

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