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  • Reverse Osmosis Systems
    Bestseller 20% OFF
    NUAqua Platinum Series 100GPD - RO Systems
    • High efficiency
    • Alkaline & UV Filters available
    • Pump option available
    Bestseller 20% OFF
    Countertop Reverse Osmosis Systems
    • High efficiency
    • Alkaline & UV Filters available
    • Pump option available
    20% OFF
    Tankless Reverse Osmosis System
    • High efficiency
    • Alkaline & UV Filters available
    • Pump option available
    20% OFF
    Reef Series 4 Stage 75 GPD RODI - RO System
    • High efficiency
    • Alkaline & UV Filters available
    • Pump option available
    Shop All Systems
    Not sure which fits you best?

    Take our quiz 30-second quiz and find your system.

    Take Quiz
  • Water Filters
    Under Sink
    Countertop Filters
    Shower Filters
    Inline Refrigerator Filters
    Shop All Systems
  • Whole House Systems
  • Filter Club
  • Replacement Filters
  • Parts & Accessories
    Faucets

    Wide choice of faucets to fit your home best.

    Fittings

    Wide choice of faucets to fit your home best.

    Brackets

    Wide choice of faucets to fit your home best.

    Filter Housing

    Wide choice of faucets to fit your home best.

    Shop All Parts & Accessories
  • Sale
  • Which System Fits Me Best?

Reverse Osmosis 101

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Milky and Cloudy RO Water? Let's find out why!

Nov 28, 2023
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Milky and Cloudy RO Water? Let's find out why!

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NU Aqua 600GPD vs. 800GPD Tankless RO Systems: Which One Is Right for You?

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The Environmental Impact of Plastic Water Bottles and Sustainable Solutions

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The Benefits of the Whole House System

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Alkaline Filters on RO Systems and How They Affect the Water pH

Oct 18, 2023
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Aquarium Health: A Comprehensive Guide to RODI Systems

Sep 22, 2023
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Essential Reverse Osmosis System Maintenance Tips

Sep 19, 2023
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VOCs in Water: A Hidden Contaminant

Aug 29, 2023

Upgrade Your Water Filtration with NU Aqua Systems Filter Club

Aug 17, 2023
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PFAs: The Forever Chemicals in Our Water - Risks & Solutions

Aug 11, 2023
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Reverse Osmosis vs. Distillation: Choosing the Right Method

Jul 17, 2023
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Pros and Cons of Reverse Osmosis Systems: Is It Right for You?

Jul 13, 2023
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Reverse Osmosis Water Waste: Addressing the Concerns

Jul 10, 2023
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We're doing something a little different for the holidays. A lot of our customers have told us that they're worried about making a purchase before our biggest sale of the year...Black Friday. They're afraid that the price might drop a few weeks later. 

 

To help cut down on holiday stress, we've launched our Black Friday Early Access Sale, and backed it with our Black Friday Price Guarantee. Starting with our Black Friday Early Access Sale on 11/1/23, when we put an item on sale before 12/1/23, you'll be getting it at the season's lowest price -- guaranteed. If the price drops on an eligible item, we'll refund you the difference!

Terms and Conditions

  • Which items are eligible? 
Only items showing the "Black Friday Early Access" or "Black Friday Price Guarantee" logos are eligible
  • What is the Black Friday Price Guarantee?
If item is discounted even more than our Black Friday Early Access price, you will be eligible for a refund equal to the difference between your purchase price and the lowest marked price. 
  • How can I receive my eligible refund?

In order to receive the refund, simply contact us by phone, email or live chat and provide us with your original order number. And we'll take care of it from there! In order to be eligible, you must contact us before 11:59 pm PST on 12/1/23.

  • How will my refund be received?
The refund will be issued to your original payment method used. 
 

Start your holiday shopping today to make sure you get what you want for the holiday season! All Black Friday sale items have limited quantities and may sell out before Black Friday. 

 Black Friday Price Guarantee Banner



We're doing something a little different for the holidays. A lot of our customers have told us that they're worried about making a purchase before our biggest sale of the year...Black Friday. They're afraid that the price might drop a few weeks later. 

 

To help cut down on holiday stress, we've launched our Black Friday Early Access Sale, and backed it with our Black Friday Price Guarantee. Starting with our Black Friday Early Access Sale on 11/1/23, when we put an item on sale before 12/1/23, you'll be getting it at the season's lowest price -- guaranteed. If the price drops on an eligible item, we'll refund you the difference!

Terms and Conditions

  • Which items are eligible? 
Only items showing the "Black Friday Early Access" or "Black Friday Price Guarantee" logos are eligible
  • What is the Black Friday Price Guarantee?
If item is discounted even more than our Black Friday Early Access price, you will be eligible for a refund equal to the difference between your purchase price and the lowest marked price. 
  • How can I receive my eligible refund?

In order to receive the refund, simply contact us by phone, email or live chat and provide us with your original order number. And we'll take care of it from there! In order to be eligible, you must contact us before 11:59 pm PST on 12/1/23.

  • How will my refund be received?
The refund will be issued to your original payment method used. 
 

Start your holiday shopping today to make sure you get what you want for the holiday season! All Black Friday sale items have limited quantities and may sell out before Black Friday. 



We're doing something a little different for the holidays. A lot of our customers have told us that they're worried about making a purchase before our biggest sale of the year...Black Friday. They're afraid that the price might drop a few weeks later. 

 

To help cut down on holiday stress, we've launched our Black Friday Early Access Sale, and backed it with our Black Friday Price Guarantee. Starting with our Black Friday Early Access Sale on 11/1/23, when we put an item on sale before 12/1/23, you'll be getting it at the season's lowest price -- guaranteed. If the price drops on an eligible item, we'll refund you the difference!

Terms and Conditions

  • Which items are eligible? 
Only items showing the "Black Friday Early Access" or "Black Friday Price Guarantee" logos are eligible
  • What is the Black Friday Price Guarantee?
If item is discounted even more than our Black Friday Early Access price, you will be eligible for a refund equal to the difference between your purchase price and the lowest marked price. 
  • How can I receive my eligible refund?

In order to receive the refund, simply contact us by phone, email or live chat and provide us with your original order number. And we'll take care of it from there! In order to be eligible, you must contact us before 11:59 pm PST on 12/1/23.

  • How will my refund be received?
The refund will be issued to your original payment method used. 
 

Start your holiday shopping today to make sure you get what you want for the holiday season! All Black Friday sale items have limited quantities and may sell out before Black Friday.