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1 Micron CTO Carbon Block Whole House Water Filter Replacement

(3 customer reviews)


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  1. This kind of CTO carbon sediment filter is recommended for tap water filtration.
  2. It can filter up to 99% of Chlorine, sand, rust, sediment, and color in unfiltered water.
  3. Our RO carbon filter is made of 100% coconut shell activated carbon block to filter Chlorine, Taste, Bad Odors, and most sediments.
  4. This CTO carbon filter can filter up to 13000 gallons depending on water quality.
  5. Suggest replacing it every 3- 6 months for the average household for optimal performance depending on daily water consumption.

Efficient Filtration & Safe Materials

NSF/ANSI 42 certification information: Certificate W-11150, by IAPMO, 2021.

High Grade Carbon Block: Chlorine reduction rate >99%

Recognized by Australia Water Mark: food grade material

Lead-Free and BPA-Free, food grade natural coconut shell activated carbon giving you wide range protection.

High Grade Carbon Block: Chlorine reduction rate >99%

Recognized by Australia Water Mark: food grade material

Strict Quality Control


  • Filter Life: 3-6 months or 13000 gallons
  • Micron Rating: 1 Micron
  • Flow Rate: 2.5-5GPM
  • Length: 10 inch
  • Diameter: 2.5 inch
  • Operating Temperature: 4-52℃/39-126℉
  • Max. Operating Pressure: 100 psi
  • Using working pressure: 60psi

    3 reviews for 1 Micron CTO Carbon Block Whole House Water Filter Replacement

    Based on 3 reviews
    5 star
    4 star
    3 star
    2 star
    1 star
    1. Barb

      This filter fits standard whole house water filter system, just as good as expensive brand name filters. Will definitely buy again!

    2. Ref

      I built a new house and had a whole house water filter put in. It consists of a 10 inch big blue cartridge and a filter inside. The builder put in a paper filter and I used it for about 7 months. I decided to take the cartridge apart and check the filter. The paper was brown with little white specs. When the house was new, I noticed that the water had a slight odor to it. I decided to get a new filter that would filter even further down the micron number than paper and I wanted to try to see if activated carbon would take care of the odor. I looked around and decided on the PUREPLUS because it filters at 5 microns and has activated carbon consisting of coconut shells. I discarded the old filter, washed out the cartridge and installed one of the PUREPLUS filters. At first the water turned a little black as was expected. It took only about two minutes to clear up. No more odor. Taking showers is much better without the odor and sediment. What I like is that you get two filters which should last about a year. These filters have changed my water quality to clearer and no odor. Best of two worlds!

    3. Sarah Lucero

      Does a great job. We can usually get 8 months out of 1 filter. I will try and take a photo of the next used filter. It gets pretty dark – so we know it’s doing what a filter should do. We have a cistern and use this filter between water coming in off the tank prior to running through the water softening system. Very happy with product. Easy to install and have never had a negative issue to report. Flavor is just fine – especially coming in off a cistern, very impressed.

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    1 Micron CTO Carbon Block Whole House Water Filter Replacement