PureDrop Under Sink 5 Stage Reverse Osmosis Drinking Water Filtration System with Extra Pre-Filter Set

  • Our 5-stage filtration system rejecting up to 99% of contaminants including arsenic, chlorine, fluoride, lead, fluoride, heavy metals, etc.
  • Substantially reduced cost - Supplies up to 50 Gal. of drinking water per day without any electricity use
  • Efficient production - Generates 1 Gal. of drinking water from less than 3 Gal. of tap water
  • Compact design - The entire unit fits most standard under kitchen sinks
  • Complimentary 3-piece pre-filter replacement kit and a crafted lead-free faucet are included with the system, along with everything else needed to install and operate the system
  • DIY installation and maintenance – The system comes with quick-connect fittings, free spare parts, housing wrench, and everything needed for the installation. For maintenance, just replace the filters regularly
  • $165.99
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    • The RTW5 membrane, rated for up to 50 gallons per day, ensures that families of nearly any size will have clean drinking water available on demand.

    • All of our systems go through rigorous testing for air leaks, pressure and cycle resistance to maintain our quality and performance standards.

    • All RTW5 parts are manufactured to comply strictly with NSF/ANSI standards for safety and water quality.

    How It Works

    When the source water enters the system it goes through stages one, two, and three, collectively known as the pre-filters. The job of the pre-filters is to remove large contaminants and protect the RO membrane from chemicals like chlorine and chloramines.

    After the water has passed through the pre-filters, it is forced through the reverse osmosis (RO) membrane, the same technology used to produce bottled water. This semi-permeable membrane features tiny 0.0001 micron sized holes, equivalent to just 0.000000004 of an inch. This allows it to remove a long list of water contaminants only possible with reverse osmosis.

    The fifth and final stage of filtration utilizes a GAC filter known as the post carbon filter. This provides a final polishing before the filtered water is delivered to the faucet.

    The end result is bottled quality water. In addition to the cost savings and convenience, widespread use of in home filtration systems would reduce the impact of plastic bottles on the environment tremendously.

    Highlight Features

    • Quick connect fittings on EVERY connection
      No Teflon tape needed for a leak-free installation.  Use of only quality components - Cuts installation time, not corners.

    • Double O-ring for your peace of mind
      Unique design ensures that the O-rings are always properly seated when you connect the housing. No more worries of stripping the O-ring or the threads.

    • Efficient compact design
      Guaranteed to fit in any standard under sink cabinet. Leaves room for other household essentials.

    • Includes  an extra set of pre-filters 
      First year of filter change is on us. Package includes 1 year filter supply.

    • Availability: In Stock
    • Model: RTW5
    • Manufacturer: VenusUS
    Starla Stone | 4 out of 5 Stars!

    Our "new" house had awful tasting water. The water was cloudy straight from the tap. Cold or hot, it was murky and I did not like the taste of it. When I found the reverse osmosis system with five filters from Puredrop I was very excited. It took a full day for my husband to install it. It kept leaking, and they warn you that it may leak. So he just kept tightening the canisters whenever they leaked. The leaks were not the systems fault, he had not tightened them very tight from the beginning because it is plastic and he did not want to over tighten them. My first cup of water was divine. Everything I had hoped water would taste like again. It seems like a small thing, water out of your tap, until it is foul and you will not drink it. No more bottled water and I can drink as much as I want again. I am very happy with this system. Everything tastes better. Coffee, tea, and I even noticed my pooch drinking more water. I am very pleased with the system. I included a photo of the system with the color coded tubes attached already. It made it very easy to install because everything is color coded. Even the clips that go over the connectors are color coded. The system included specialty wrenches for the canisters, the wrenches in my picture are my husbands who decided to go ahead and upgrade a couple of our pipes while he was under the sink. I am also pleased that PureDrop sent extra/replacement gaskets for the system. I bought extra filters for later, but the system I bought also came with an extra set. I am telling everyone about this in hopes they can have no fluoride/chlorine water. I plan on buying another system for my brother as a gift.

    Norwood451 | 5 out of 5 Stars!

    If you are looking for the best RO system, at the best price, you do not need to look any further. I did extensive research and found the Puredrop RO system to be the best overall. It has the best price, wonderful support, and is a very well-made quality system.

    Puredrop is the same company that makes ISpring, which is also a very nice RO system. I was not sure if I should buy the Puredrop RO system compared the ISpring RO system, so I called support and asked the difference. I spoke with both Nick and Don who provided all the answers to my questions so that I could make an educated decision.

    ISpring RO t is more money, but you get more for your money: Larger Tank, a Clear 1st Stage tank, and a better faucet. In my case, it is just me and my wife, and I do not need a larger tank and I have a faucet from owning other RO systems and I would only be giving up the clear tank with the Puredrop System.

    If you change your filters on time, there really is no reason to see inside the first stage. If you are forgetful, it may be a good idea to get the Ispring system with the clear first stage tank.

    I had other RO systems in the past, and the biggest issue I have found was the cost to replace the filters-especially the membrane, which can be as high as $40 for some name brands—especially if you have to have the check value built into the membrane. The Puredrop RO has the check valve as a separate component in the system, which eliminates having to buy a membrane one with a built-in check valve. PLUS, I love it that PureDrop provides an extra set of filters for the next time the filters need to be changed.

    After researching the filters, I found that I can buy generic filters for a lot less and if I wanted the Puredrop brand, it was not that much more.

    The Puredrop RO system, which was easy to install with color coded water lines. So far everything is working fine and I really like the small compact tank, which gives me a lot more room for storage under the sink. There is no reason that I can see to have the larger tank for a family of two.

    The Puredrop has been installed for a week when I wrote this review. I suspect that will not have any issues, but even if I do, I know that I can always call support: Nick or Don, and they will for sure take care of any issues I have for years to come.


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