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All,RO Membranes,Window Cleaning Supplies & Tools,XERO,XERO Replacement Filters,
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About the XERO Replacement RO Membrane - 21 Inch

RO Membranes help to eliminate the bulk of impurities from source water and normally last for years with proper care and maintenance. When it's time to replace yours in your XERO ATOM, or older style IPC RO/DI Cart, pick up these filters. Remember, if you have the XERO Pure JR or ATOM you're going to want to replace both at the same time, so buy the 2-pack.




  • 21 Inch RO Membrane
  • Fits XERO ATOM
  • Fits older style IPC RO/DI Cart
  • Uses Reverse Osmosis to Remove Impurities
  • 1,000 GPD
BW 4021 UES
Manufacturer Part NumberBW 4021 UES


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  • 2 membranes are included right? To replace Xero Dj

    No, you would need to order 2

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