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Replacement for Model Flowmatic FMRO4J

Watts Flowmatic W-1812-36 RO Membrane


Retail: $59.99 /ea
You Save: 17%
As low as
Retail: $59.99
You Save: 17%
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Watts Flowmatic W-1812-36 RO Membrane is a 36 gallon per day reverse osmosis thin film composite (TFC) membrane. Fits most standard RO units including but not limited to the Flowmatic FMRO4J, FMRO4G, FMRO5G, FMRO5GP.

The W181236 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-1812-36 RO Membrane is correct replacement for the following model numbers:

BrandModel NumberDescription
WattsFlowmatic FMRO4GRO Membranes
WattsFlowmatic FMRO4JRO Membranes
WattsFlowmatic FMRO5GRO Membranes
WattsFlowmatic FMRO5GPRO Membranes
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