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  • water filter system
  • water filtration system
  • under sink water filter
  • water filter
  • sink water filter

iSpring US31 3-Stage Under Sink Tankless Drinking Water Filtration System-Includes Sediment 2X CTO Carbon Block Filters (Newest Version)

  • Up to 20X more effective than the common water pitcher dispenser , Feed Water Temperature - 40-100 F
  • Universal 10 inch sediment filter and 2 x 10 inch Carbon block filters
  • Removes sediment, chlorine, and more to produce colorless, tasteless and odorless filtered water
  • Manufactured to comply strictly with FDA standards and tested by independent third party against NSF/ANSI standards (42, 53, 61).
  • Easy DIY installation. Lifetime support from iSpring in Atlanta, GA at (678) 261-7611
    • $135.99
    Qty:
        Eligible for FREE Shipping Orders Over $35 within US 48 cont. states Details    Print Share on Facebook
    • At iSpring, we look beyond technology to make filtered water accessible for all households. We provide our customers with professional water solutions to any water concerns they may have.

      drinking water filter
      Manufactured to comply strictly with FDA standards (CFR-174, 177) and tested by independent third party against NSF/ANSI standards (42, 53, 61).
    • water filtration system under sink

    Why US31

    No more paying to have water delivered, or wasting time replacing low-capacity pitcher filters and faucet filters, the US31 Under-Sink Water Filter provides up to 2000 gallons directly from your tap at a fraction of the cost.

    This 3-stage filter system features dual carbon block filters along with a PP sediment filter. The sediment filter protects and extends the life of your system, while the carbon block filters work to remove many harmful contaminants like chloramine, chlorine and more.


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      • sink water filter
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    • under sink water filter
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    Product Description


    This 3-stage filter system features dual carbon block filters along with a PP sediment filter. The sediment filter protects and extends the life of your system, while the carbon block filters work to remove many harmful contaminants like chloramine, chlorine and more.
    • Availability: In Stock
    • Model: US31
    • Manufacturer: iSpring
    PassionHighway | 5 out of 5 Stars!
    2019-02-02

    I bought this system to filter water for a plumbed Keurig K150P coffee maker. The one filter solution recommended by Keurig is not that good. The filter quality or capacity is nowhere near the level that iSpring offers. It takes 2 stages to get the Chlorine taste out of the water. This 3-Stage system is outstanding. The water taste great and there is zero waste like there is with an RO system.

    I believe this is one of the best water filtration systems on the market. The price is fair, the company has an excellent reputation, the filters are built well, and it comes with every piece and part needed to hook it up. Most systems require a few trips to Home Depot to figure out all of the parts, line sizes, etc. that is needed. This one comes with everything you need including a faucet! I personally did not use the faucet and plumbed directly to a coffee maker, but it is certainly nice that they provided one. I assume most will use this system for drinking water. It is also super easy to Tee one of the lines if you want to provide filtered water to more than one location (e.g. Ice Maker, Coffee maker). These 1/4" plastic T's work perfectly (https://www.amazon.com/gp/product/B013ZX72ZE). The company ships more than enough feed line for most normal sized kitchens. If you need more it is easy to find 1/4" plastic ice maker line. They sell it everywhere.

    The only thing to keep in mind is this is not a small unit. It is big. It takes up a lot of space and it needs to be screwed to a wall/cabinet. It would not be a good idea to let it stand on its own. If it fell over it could cause problems with filtration. The advantage to the size, however, is it has room to hold quality filters. It does a great job cleaning the water. Our coffee tastes as good, or better, than most commercial shops.

    I am very, very pleased with this purchase. I highly recommend iSpring. Their customer service is excellent as well. Email them any question you have and they respond quickly.
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