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Watts Flowmatic W-1812-50 RO Membrane


Retail: $49.99 /ea
You Save: 26%
Buy 1 - 3 for $36.99 ea.
Buy 4+ for $33.99 ea.
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Retail: $49.99
You Save: 26%
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Ships by Tomorrow 9/20/2021
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Watts Flowmatic W-1812-50 RO Membrane is a 50 gallon per day reverse osmosis thin film composite (TFC) membrane. Fits most standard RO units including but not limited to the Flowmatic FMRO4J, FMRO4G, FMRO5J, FMRO5G, FMRO5GP, FMRO4ERP, FMRO5-C, FMRO4-ZW, FMRO5MT, FMRO4-ERP.

The W181250 membrane is 1.8" x 11.8"

Membrane should be changed every 2-5 years depending on water quality and usage.

Compatible Models:

The Watts Flowmatic W-1812-50 RO Membrane is correct replacement for the following model numbers:

  • Flowmatic FMRO4-ERP
  • Flowmatic FMRO4-ZW
  • Flowmatic FMRO4ERP
  • Flowmatic FMRO4G
  • Flowmatic FMRO4J
  • Flowmatic FMRO5G
  • Flowmatic FMRO5GP
  • Flowmatic FMRO5MT