The Watts Flowmatic W-1812-24 RO Membrane is a 24 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 and model 5SV
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43.99 Watts (W-1812) Thin Film Composite Replacement...