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Bestseller 10% OFF
NU Aqua Platinum 100GPD RO System

Most Affordable

Alkaline & UV Filters available

Pump option available
Bestseller 10% OFF
Countertop Reverse Osmosis Systems

Dispenses Hot & Ambient

Zero Installation

Digital Display with Filter Reminders
10% OFF
Tankless Reverse Osmosis System

High efficiency

Alkaline & UV Filters available

Filter Replacement Reminders
10% OFF
Reef Series 4 Stage 100 GPD RODI - RO System

Consistent 0 TDS

Includes Faucet & Hose Adapter

Premium Deionization Media
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Reverse Osmosis Systems
Bestseller 10% OFF
NU Aqua Platinum 100GPD RO System

Most Affordable

Alkaline & UV Filters available

Pump option available
Bestseller 10% OFF
Countertop Reverse Osmosis Systems

Dispenses Hot & Ambient

Zero Installation

Digital Display with Filter Reminders
10% OFF
Tankless Reverse Osmosis System

High efficiency

Alkaline & UV Filters available

Filter Replacement Reminders
10% OFF
Reef Series 4 Stage 100 GPD RODI - RO System

Consistent 0 TDS

Includes Faucet & Hose Adapter

Premium Deionization Media
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
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Showing 121 - 144 of 196 products

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Halloween Sale

Reverse Osmosis Filter Replacement NU Aqua Sediment Front

13 reviews

NU Aqua Platinum Series 5 Micron Sediment Filter

Sale price$8.96 Regular price$9.95

Halloween Sale

NU Aqua RO System 5 Stage Side

1139 reviews

NU Aqua Platinum Series 5 Stage 100GPD RO System

Sale priceFrom $159.95 Regular price$199.95

Choose options

NU Aqua Platinum Series 5 Stage 100GPD RO System

1139 reviews

NU Aqua Platinum Series 5 Stage 100GPD RO System

Sale priceFrom $178.46 Regular price$209.95

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Halloween Sale

NU Aqua RO System 5 Stage With Pump Side

1139 reviews

NU Aqua Platinum Series 5 Stage 100GPD RO System with Booster Pump

Sale priceFrom $247.95 Regular price$309.95

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NU Aqua Platinum Series 5 Stage 100GPD RO System with Booster Pump

1139 reviews

NU Aqua Platinum Series 5 Stage 100GPD RO System with Booster Pump

Sale priceFrom $263.46 Regular price$309.95

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Halloween Sale

NU Aqua RO System 5 Stage With Pump Side

1139 reviews

NU Aqua Platinum Series 5 Stage 100GPD RO System with Booster Pump - Special Offer

Sale priceFrom $247.95 Regular price$309.95

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Halloween Sale

NU Aqua RO System 6 Stage Alkaline Side

1139 reviews

NU Aqua Platinum Series 6 Stage Alkaline 100GPD RO System

Sale priceFrom $175.95 Regular price$219.95

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NU Aqua Platinum Series 6 Stage Alkaline 100GPD RO System

1139 reviews

NU Aqua Platinum Series 6 Stage Alkaline 100GPD RO System

Sale priceFrom $195.46 Regular price$229.95

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Halloween Sale

NU Aqua RO System 6 Stage Alkaline Side

1139 reviews

NU Aqua Platinum Series 6 Stage Alkaline 100GPD RO System - Special Offer

Sale priceFrom $175.95 Regular price$219.95

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Halloween Sale

NU Aqua RO System 6 Stage With Pump Alkaline Side

1139 reviews

NU Aqua Platinum Series 6 Stage Alkaline 100GPD RO System with Booster Pump

Sale priceFrom $263.95 Regular price$329.95

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NU Aqua Platinum Series 6 Stage Alkaline 100GPD RO System with Booster Pump

1139 reviews

NU Aqua Platinum Series 6 Stage Alkaline 100GPD RO System with Booster Pump

Sale priceFrom $280.46 Regular price$329.95

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Halloween Sale

NU Aqua RO System 6 Stage With Pump Alkaline Side

1139 reviews

NU Aqua Platinum Series 6 Stage Alkaline 100GPD RO System with Booster Pump - Special Offer

Sale priceFrom $263.95 Regular price$329.95

Choose options

Halloween Sale

NU Aqua RO System 6 Stage UV Side

1139 reviews

NU Aqua Platinum Series 6 Stage UV Ultraviolet 100GPD RO System

Sale priceFrom $204.95 Regular price$255.95

NU Aqua Platinum Series 6 Stage UV Ultraviolet 100GPD RO System

1139 reviews

NU Aqua Platinum Series 6 Stage UV Ultraviolet 100GPD RO System

Sale priceFrom $226.91 Regular price$266.95

Halloween Sale

NU Aqua RO System 6 Stage UV Side

1139 reviews

NU Aqua Platinum Series 6 Stage UV Ultraviolet 100GPD RO System - Special Offer

Sale priceFrom $204.95 Regular price$255.95

Halloween Sale

NU Aqua RO System 6 Stage UV With Pump Side

1139 reviews

NU Aqua Platinum Series 6 Stage UV Ultraviolet 100GPD RO System with Booster Pump

Sale priceFrom $292.95 Regular price$366.95

Choose options

NU Aqua Platinum Series 6 Stage UV Ultraviolet 100GPD RO System with Booster Pump

1139 reviews

NU Aqua Platinum Series 6 Stage UV Ultraviolet 100GPD RO System with Booster Pump

Sale priceFrom $311.91 Regular price$366.95

Halloween Sale

NU Aqua RO System 6 Stage UV With Pump Side

1139 reviews

NU Aqua Platinum Series 6 Stage UV Ultraviolet 100GPD RO System with Booster Pump - Special Offer

Sale priceFrom $293.95 Regular price$366.95

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Halloween Sale

Reverse Osmosis Filter Replacement Set Plat Set ALK Main

11 reviews

NU Aqua Platinum Series 6-Stage Complete Alkaline Filter Replacement Set

Sale price$98.96 Regular price$109.95

Halloween Sale

Reverse Osmosis Filter Replacement Set Plat Set UV Main

1 review

NU Aqua Platinum Series 6-Stage Complete UV Filter Replacement Set

Sale price$98.96 Regular price$109.95

Halloween Sale

NU Aqua RO System 7 Stage Side

1139 reviews

NU Aqua Platinum Series 7 Stage Alkaline and UV Ultraviolet 100GPD RO System

Sale priceFrom $239.95 Regular price$299.95

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NU Aqua Platinum Series 7 Stage Alkaline and UV Ultraviolet 100GPD RO System

1139 reviews

NU Aqua Platinum Series 7 Stage Alkaline and UV Ultraviolet 100GPD RO System

Sale priceFrom $246.46 Regular price$289.95

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Halloween Sale

NU Aqua RO System 7 Stage Side

1139 reviews

NU Aqua Platinum Series 7 Stage Alkaline and UV Ultraviolet 100GPD RO System - Special Offer

Sale priceFrom $239.95 Regular price$299.95

Choose options

Halloween Sale

NU Aqua RO System 7 Stage With Pump Side

1139 reviews

NU Aqua Platinum Series 7 Stage Alkaline and UV Ultraviolet 100GPD RO System with Booster Pump

Sale priceFrom $299.95 Regular price$375.95

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Filters

City Water (19)
Well Water (12)

45PSI+ (12)
Less Than 45PSI (19)

No (19)
Yes (12)

No (19)
Yes (12)

$

-

$

Classic RO Platinum Series (11)
Countertop Series (6)
RODI Series (5)
Shower Filters (4)
Tankless Series (7)
Under Sink (2)
Whole house (8)

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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.

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.

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