Bluonics Reverse Osmosis RO Under Sink Drinking Water Filter Cartridge Replacement, 3, 4 and 5 Stage includes Sediment, GAC, CTO Carbon Block Filters

  • $39.00
    Unit price per 
Shipping calculated at checkout.

Replacement filter for Bluonics Reverse Osmosis, 4 and 5 Stage Under Sink Drinking Water Filter.

  • Enjoy clean, safe, good-tasting water for your family every time you turn on the faucet, better than most bottled water. Experience fresher healthier baby formula, tea and coffee, better tasting foods and crystal clear ice cubes.
  • 1 Sediment Filter, Standard Size 2.5”x 10” Sediment Filter. Filters sediment particles such as silt, sand, rust, dirt, and other undissolved particles.
  • 1 GAC Carbon Filter, Standard Size 2.5”x 10” Granulated Activated Carbon (GAC). Adsorbs and removes bad taste and odors. Also a large variety of organic contaminants such as chlorine and chemicals linked to cancer, like pesticides, herbicides, insecticides, Trihalomethanes, Benzene and many volatile organic compounds such as VOC's, PCB's, MTBE's along with hundreds of other chemicals and contaminants that may be present in our water.
  • 1 Carbon Block Filter, Standard Size 2.5”x 10” Carbon Block Filter. Removes chlorine, bad
  • taste and odor, organic solvents and organic chemicals that contribute to bad taste and odor.

  • Connect to one of our technical specialists to help you with production selections. Call us at (888) 207-8939 or contact us here

    Customer Reviews

    Based on 4 reviews
    Michael Brown

    The uv light leaked so bad I had to disconnect it and use the system without the light. I tried and tried to make the light work.

    George (New York, New York, United States)
    Quality filter products

    Have experienced great customer service in designing my water purification system as well as responsive customer service.
    Thank you

    Linda R Rodriguez (Tampa, Florida, United States)

    They were easy to replace and they do a great job filtering my well water which was not good at all. Now I can drink fresh water safely

    Darryl (Sicklerville, New Jersey, United States)
    Not so good

    I've installed similar filters from other compounds but these filters have a really bad plastic like taste. I confirmed they're in the right order and have fun the system for 15 minutes or more. at that point the water tastes ok but if you let the glass sit for a while the taste comes back. it's actually worse tasting then my tap water.

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