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Pure Blue 3-Stage 1:1 Reverse Osmosis Three-Pack Replacement Filters

Free shipping on orders over $29.99

$60.15

$ 23 .99 $23.99

In Stock

About this item

  • This annual pack contains two Stage 1 Pre-Carbon Block Filters and one Stage 3 Post-Carbon Filter.
  • Enjoy Better Water At Home: This water filtration system is certified to NSF/ANSI standards 58 and 372, helping reduce Lead, Fluoride R and more
  • Affordable, Clean Water Solutions: Pure Blue makes water filtration systems, reverse osmosis filters and other water treatment systems, that clean, filter and restore water to a pure, uncontaminated state
  • Pure Blue: We make premium water filtration systems, including faucet filters, whole house filters, under the sink filters, shower filters and more, so you can provide clean water for your whole family



Product Description

3 stage reverse osmosis system

Skip the bottled water and experience a higher standard of water at home. You can see and taste the difference!

  • PROTECT YOUR HEALTH BY REDUCING: Particles and microorganisms in your water, including lead, fluoride, arsenic, cadmium, chromium 6, selenium, Giardia, Cyclospora, and Cryptosporidium.
  • HIGH-CAPACITY FILTERS: Our professional-grade home water purification system includes a high-production, 50 gallon per day thin film membrane.
  • 3-STAGE WATER PURIFICATION: Our three-stage reverse osmosis filtration system includes a pre-carbon block filter, a membrane filter, and a post-carbon block filter.
  • EASY TO INSTALL AND MAINTAIN: This system includes a twist-lock manifold for quick and easy filter changes, and you can replace each filter individually as needed. We even included an electronic monitor that will notify you when a filter needs replacing!

Pure Blue H2O 3-Stage Reverse Osmosis Under-Sink System

Experience a Higher Standard of Water at Home!

  • Produces the highest quality water with the best taste.
  • Superior filtration to any refrigerator or pitcher water filters.
  • Filter changes are quick and easy with “twist-lock” manifold.
  • Made with a high-production, 80 gallon per day (GPD) thin film membrane.
  • Designer electronic monitor notifies you when its time to change your filters.

Keep your family safe from:

  • Lead
  • Fluoride
  • Arsenic
  • Cadmium
  • Copper
  • Selenium
  • And more!

3-Stage Reverse Osmosis Filter System

Stage 1 filter

Stage 1 - Pre-Carbon CTO Filter

  • Reduces chlorine taste and odor
  • Increases water clarity
  • Protects thin film membrane
  • Reduces suspended particles

Stage 2 Filter

Stage 2 - 80 GPD Membrane Filter

  • Reduces total dissolved solids and harmful tap water contaminants
  • Filters to 1/10,000 of a micron

Stage 3 filter

Stage 3 - Post-Carbon CTO Filter

  • Enhances water clarity
  • Reduces chlorine taste and odor

Airgap faucet

AirGap Electronic Monitored Faucet, Brushed Nickel

  • Connects directly to your home water filtration system
  • Notifies you when it’s time to change filters
woman drinking water

Great Tasting Water for the Whole Family

The PureBlue H20 3-stage reverse osmosis water filtration system is designed to purify the water in your home for better taste and health benefits. Reduce a number of substances in your water, including arsenic, cadmium, chromium, copper, lead, radium 226/228, selenium, and turbidity.*

Drink and cook with better water, and feel the difference for yourself!

*Do not use with water that is microbiologically unsafe or of unknown water quality without disinfection before or after the filtration system.

Simple to Install and Maintain

Proprietary twist lock filters and manifold provide easy installation and filter changes with no mess. Filters are encapsulated providing a sanitary filter change with no additional tools needed.

Installing our three-stage home water purification system is simple and made even easier with our step by step installation video. Place the main filtration components under your countertop and attach to the included faucet for better water. You don’t even have to sacrifice style thanks to our faucet attachment in the finish of your choosing!


james a. williams
Reviewed in the United States on March 26, 2025
Best price
Chuck Zang
Reviewed in the United States on March 3, 2024
They are easy to replace and water is much better.
PhatMan
Reviewed in the United States on March 11, 2024
Installation is tricky, instruction lacks details.
Lorena R.
Reviewed in the United States on February 9, 2024
The best part about it is I don’t have to drain my entire system, I just unlock the filter I want to install remove it and plug the new one under the sink and it’s ready to go
Customer
Reviewed in the United States on September 11, 2023
Disregard the middle filter since that did not come with this order but I wanted to show what they look like on my setup. The replacement filters were extremely easy to install and fit like a glove. No mess just turn off the water pressure and swap them out! Water is murky the first day or two from use but once the filter cleans out the water gets clear again!
Nicolás Lugo
Reviewed in the United States on March 8, 2023
The media could not be loaded.
Anh Dung Hoang
Reviewed in the United States on March 27, 2023
It is a good water filter system I ever used.Easy install, good water quality and reasonable price
Customer
Reviewed in the United States on January 14, 2023
House drinking water
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