NU Aqua Systems professional grade water systems for home use

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Industries Best Warranty Free Shipping Lifetime Support 120 Day Trial - No questions, No hassle returns Industries Best Warranty 120 Day Trial - No questions, No hassle returns Free Shipping Lifetime Support

Fall Sale

NU Aqua Platinum Series 5 Stage 100GPD RO System

starting from $179.95

Fall Sale

Reverse Osmosis Water Filter NU Aqua Efficiency Series Tankless 600GPD Reverse Osmosis System 2:1 Pure To Waste - front of system next to smart faucet

NU Aqua Efficiency Series Tankless 800GPD Reverse Osmosis System 2:1 Pure To Waste

starting from $469.95

Fall Sale

Water Filter NU Aqua Whole House Water Softener Front

NU Aqua 4 Stage Whole House Salt Free Water Softener With Total Filtration

starting from $999.95

Fall Sale

NU Aqua Handheld Filtered Showerhead - Black - With Mounting Kit

starting from $125.95

4.9

Based on 2354 reviews

Absolutely love it. My water is crystal clear and taste so good. You can definitely tell water no chemicals like chlorine... HIGHLY RECOMMEND

Gary Smith

9 out of 10

NU Aqua customer's would recommend us to their friends and family.

90% of customers

Said their NU Aqua filter drastically improved their drinking water quality and taste.

9 out of 10

Customer's have found that they're saving $40+ every month since they've installed their system.

*Based on a randomized survey of NU Aqua System product owners conducted in March 2025.

Reverse Osmosis Filtration

Filtration Stages

Alkaline Remineralization

UV Sterilizer

Connects to: Fridge / Ice maker

NU Aqua Platinum Series 5 Stage 100GPD RO System

5 -7

Optional

NU Aqua Platinum 5 Stage 100GPD RO System With Booster Pump

5 -7

Optional

NU Aqua Efficiency Series Tankless 800GPD Reverse Osmosis System

4 - 6

Optional

NU Aqua 4-Stage Countertop Reverse Osmosis System

4

NUAqua Platinum Series 100 GPD - RO Systems

3

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Learn about the Filter Club

Ultra Efficient

With systems up to a 2:1 pure to waste ratio, we're happy to say we have one of the most efficient RO systems available.

Low Cost Replacements

We provide the most affordable replacement filters to keep your systems costs cheaper than bottled water.

Premium Grade Components

High quality components ensure a long lasting leak-free experience.

No Worries, Guaranteed!

We're proud to offer the only guarantee in the industry with our FILTER it & LOVE it guarantee! We guarantee that our systems will transform your water into the cleanest, freshest, and most thirst-quenching water you've ever tasted. Try it for a full 120 days, if you don't absolutely love your NU Aqua Water Filter System, send your system back for a 100% full refund!

Learn More

Guarantee

Warranty

Price

Replacement Filter Cost

Free Shipping

Free TDS Meter

Free Leak Detector

NU Aqua

120 Day Trial

3 year

$179.95

$65.95

Culligan

none

1 year

$1,495.95

$285

APEC

none

1 year

$229.95

$99.00

Ispring

none

1 year

$199.99

$78.09

*Price reflects the current subtotal of NU Aqua's 5 Stage reverse osmosis system. Additional shipping fees may apply in AK and HI. Price may not reflect any current promotions or discounts. Last Updated: July 2024.

About NU Aqua Systems

NU Aqua Systems was established with one simple mission: to provide the highest quality home and commercial filtration.

Products, with expert customer service, delivered quickly, at the lowest prices possible. We are able to offer the best possible price because we are a factory direct and large volume, retailer. We purchase in huge quantities and pass the savings onto you. Don't be fooled by other companies that offer low-quality products at reduced rates, we screen and audit all of our factory partners to ensure that our customers receive only the highest grade, test proven filtration products, anywhere. If you find a lower advertised price on any of our products, let us know and we'll do our best to match it, beat it or send you a free gift!