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50 GPD RO Membrane

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50 GPD RO Membrane, Built-in Check Valve, 1.8 IN Diameter


50 GPD (Gallons Per Day) Membrane Filter.

This 50 GPD Membrane Filter is compatible with the Premier standard reverse osmosis systems. The semi permeable membrane effectively reduces TDS and sodium as well as a wide range of contaminants such as arsenic, lead, percholate, chromium, copper and radium. It's the heart of your reverse osmosis system, reducing impurities down to 1/10,000 of a micron. Note - This 50 GPD membrane is not for use with the quick-change reverse osmosis systems.


  • 4SV 
  • 5SV
  • ZeroWaste(R)
  • WP-4V
  • WP5-50


Note - Membrane life may vary based on local water conditions, use patterns, and frequency of filter changes. Due to a change in technology regarding the membrane and standard RO systems the flow restrictor on previous systems could not be cleaned. With our new in-line flow restrictor it can be removed, cleaned and replaced without having to purchase a new one.

Cross Reference/Associated Item#:

  • WP110019
  • WP110010>
  • Water Production:  50 GPD (Gallons Per Day)
  • Filter Rating:  2-5 Years*
  • Easy to Install
  • Flow Restrictor: 550ml (Sold Separately Part No. WP622055)
    • Important: When upgrading/downgrading your membrane, make sure to purchase the correct size flow for the new membrane.