The Watts Premier 5-Stage Reverse Osmosis System

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The Watts Reverse Osmosis (RO) system uses a series of multiple filters to provide cleaner, healthier water at your kitchen sink. It utilizes carbon block pre- and post-filters, sediment filters, and an RO membrane to treat a broad range of potentially harmful water contaminants. The Watts RO system works especially well in conjunction with a Multipure Aquaperform or Aquaversa as a post-filter.

  • Ideal for installation below the kitchen sink (professional installation recommended).
  • Capacity:
    • Pre-filters: 6 months
    • RO membrane: 2-5 years
    • Post filter: 1 year
  • Form factor: Multi-stage filter assembly with clean water reservoir


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  • 5
    Works excellent

    Posted by David Jensen on May 17th 2023

    I had this system in a home I just purchased. I needed new filters and went to Multipure. I spoke with Kenton and he helped me with a faucet issue and explained the entire system to me. I was very impressed with their customer service.