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InterFlo® Quad Pro SST - Sleek and Efficient Drinking Water System

Introducing a Smarter Approach to Filtering Your Drinking Water.

InterFlo®  Quad Pro SST

The InterFlo® Quad PRO SST is a tankless reverse osmosis (RO) system equipped with Superior SmartFlow® Technology. This advanced system delivers three glasses of purified water for every one glass of wastewater. In contrast, typical point-of-use RO systems, as noted by EPA.gov, produce five gallons or more of reject water for every gallon of purified water. Experience worry-free hydration and optimal efficiency with every use.

To learn more about the InterFlo QuadPro SST tankless RO system, find your local dealer today!

Innovative Technology and Features


Superior SmartFlow® Technology

Superior SmartFlow® Technology

Our patented technology delivers better water, reduces water waste, and extends filter life compared to standard RO systems.


High Capacity

High Capacity

Provides 3 glasses of purified water to every 1 glass of reject water! This is a significant advantage over other systems.


3-Stage Filtration

3-Stage Filtration

This advanced process tackles sediment, chlorine, and other chemical contaminants from your water. The final stage enhances taste and odor, ensuring your family enjoys clean, refreshing water every time.


Sleek and Slim Design

Sleek and Slim Design

A sleek, slim system which saves precious under-the-sink space. Its compact design blends seamlessly into any kitchen while maximizing storage capacity.


Dual Replacement Light Indicator

Dual Replacement Light Indicator

The InterFlo QuadPro SST features indicator lights on the faucet as well as the front of the unit signaling the need for cartridge replacement and life.


Less Frequent Filter Changes

Less Frequent Filter Changes

Enjoy great quality water longer with 12-month filter and 48-month membrane life based on system use. Unique design and engineering make cartridge replacements a breeze!

  • Features

    • Independently tested and certified for performance and material safety
    • Superior SmartFlow® Technology
    • Easier to maintain than leading RO systems with tankless design and long-lasting filter/membrane
    • No airgap faucet to mitigate noise and leaking from faucet
    • Higher efficiency; less wastewater is produced
    • LED status alert notifications
    • Efficiency rating of 60%
    • Recovery rating of 72.6%
    • Patented QuadPro SST Reverse Osmosis membrane filter* is designed for extended life of up to four years based on system use.
      • *Carbon Filter Patent ZL201520326026.5 *Reverse Osmosis Patent ZL 200910201739.8

  • Specs

    Tested and Certified:

    tested and certified
    Platinum Seal

    The InterFlo® QuadPro SST system is tested and certified by WQA against NSF/ANSI 58 and CSA B483.1 for the reduction of claims specified on the Performance Data Sheet and at WQA.org. Conforms to NSF/ANSI 58 for Pentavalent Arsenic Reduction.

  • Resources

    Click below to view the supporting material for this product.

    Product Line Brochure Owner's Manual

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Every feature of the Evolve® water treatment systems has been designed to provide better water for your home and family. Our complete line of innovative water treatment products combines efficiency and flexibility to create the brilliant water you can trust.

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